The pencap<br>I needed a to write a song. I had nothing to write with. I looked in my desk for a pen. I only saw a pen cap. I threw the pen cap away.
The author had misplaced their pen earlier. 
( z1 misplace :ARG0 ( z2 person :ARG0-of ( z3 author ) ) :ARG1 ( z4 pen :poss ( z5 they ) ) :time ( z6 before ) )