I have the following website. 

you can see there is Discount content with dropdown box "No / Yes" & next to it Partner with dropdown box. 

what I want is, when I select Yes from the discount, only then the Partner dropdown should show else it should be hidden in this page, by default the discount dropdown value is "No", so it should not show the Partner content when the page loaded. it should show only when "Yes" is selected from the Discount.

thank you