How to answer questions on yahoo answers?

how to answer questions on yahoo answers?? me and my bf have been looking for the "answer this question" or "comment" tab for the past 30 mins and cannot seem to find it. help
Update: helloooo there is no big blue button
Update 2: there is nooooo suchhhh thing.....
Update 3: thank you people for not helping. the simple thing was that i was using firefox and the blue button appears only on internet explorer
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