How do I know what item has been selected in a select list?

I built a select list where the user selects one item from the list and then searches using the searchfield. I need to know what item has been selected in the select list so that I can do branching and branch the user to a particular page. Can someone tell me how I can accomplish this?
So if I want to search for Tea in the drinks category I would need to click on Drink in the select list and then type "Tea" and select search. After that I get redirected to a table called "Drinks" and there the search results will be displayed. please help!

I tried to mach expressions... I made a simple list(with redirection):
STATIC:Yes;Y,No;N and it displays fine. I then try to do branching where exp1=exp2 Where I tried to have the label "X" for E1 and "Y" for E2 and nothing happened. I tried to use the name of the list Xlist and it failed too. I tried Request=exp1 and didnt work either. I set the source for the list as static. I am not sure what I am doing wrong. When i tried !=exp nothing happened either... perhaps the values I am using are wrong? Pleas help me out.

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How do I know what item has been selected in a select list?

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