Rule base issue

Hi there,
I've been building a rule base and when I test the following rules and select "Aggregate Format" as the preferred family of format, it concludes that the product does not meet the preference requirements for Standard, Horizontal, or Linear formats since the preferred family of format is Aggregate. Clearly, it should meet the preference requirements but there must be an issue with my rules. Any ideas on how to solve this issue? what tests to run?
the product meets the preference requirements for Standard, Horizontal, or Linear formats if
    (1) the product’s first choice is the Standard, Horizontal, and Linear formats or
        (2) the manufacturer's product = “able to use multiple format styles” and
        (2) the preferred family of format = “Standard, Horizontal or Linear”
    (1) the product’s first choice is the Aggregate Format – Different Kinds of Foods and does not meet the requirements
       (2) the manufacturer's product = “able to use multiple format styles” and
       (2) the preferred family of format = “Aggregate Format” and
(2)the most suitable NFT format figure is not Figure 10.1 and
(2)the most suitable NFT format figure is not Figure 10.2 and
(2)the most suitable NFT format figure is not Figure 10.3 and
(2)the most suitable NFT format figure is not Figure 10.4 and
(2)the most suitable NFT format figure is not Figure 10.5 and
(2)the most suitable NFT format figure is not Figure 10.6 and
(2)the most suitable NFT format figure is not Figure 11.1 and
(2)the most suitable NFT format figure is not Figure 11.2 and
(2)the most suitable NFT format figure is not Figure 11.3 and
(2)the most suitable NFT format figure is not Figure 11.4 and
(2)the most suitable NFT format figure is not Figure 11.5 and
(2)the most suitable NFT format figure is not Figure 11.6

Since the rule contains both AND and OR clauses, OPA needs to know how they are combined.
By default, there are the grouping operators ALL (or BOTH) to group premises joined by AND, and ANY (or EITHER), to group premises joined by OR.
However, it is also possible to replace the grouping attributes with new attributes. This seems to be what has been misleading you.
When applying grouping operators to your rule, you would get:
the product meets the preference requirements for Standard, Horizontal, or Linear formats if
    (1) the product’s first choice is the Standard, Horizontal, and Linear formats or
        all
        (2) the manufacturer's product = “able to use multiple format styles” and
        (2) the preferred family of format = “Standard, Horizontal or Linear”
    (1) the product’s first choice is the Aggregate Format – Different Kinds of Foods and does not meet the requirements
        all
        (2)the manufacturer's product = “able to use multiple format styles” and
        (2)the preferred family of format = “Aggregate Format” and
(2)the most suitable NFT format figure is not Figure 10.1 and
(2)the most suitable NFT format figure is not Figure 10.2 and
(2)the most suitable NFT format figure is not Figure 10.3 and
(2)the most suitable NFT format figure is not Figure 10.4 and
(2)the most suitable NFT format figure is not Figure 10.5 and
(2)the most suitable NFT format figure is not Figure 10.6 and
(2)the most suitable NFT format figure is not Figure 11.1 and
(2)the most suitable NFT format figure is not Figure 11.2 and
(2)the most suitable NFT format figure is not Figure 11.3 and
(2)the most suitable NFT format figure is not Figure 11.4 and
(2)the most suitable NFT format figure is not Figure 11.5 and
(2)the most suitable NFT format figure is not Figure 11.6
but since you have omitted the grouping operators, OPA would have interpreted the level (1) clauses as intermediate attributes. This could be misleading.
Try to split the rule in multiple rules. This is likely to help you debug this rule.

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