Tired<br>I was working very late. I wanted to go home. I had to finish my work though. I was extremely tired. I drank a cup of coffee to help me stay awake.
I drank coffee to stay up.
( z1 drink :ARG0 ( z2 i ) :ARG1 ( z3 coffee ) :purpose ( z4 stay :ARG1 z2 :ARG3 ( z5 up ) ) )