Final Exam<br>Cassie has a final exam in the morning. She got so nervous she decided to go for a run. When she went into class, she felt relaxed. Her teacher passed out the exams, and Cassie was ready. Cassie knew all the answers and passed.
Cassie passed her exam with a good grade.
If Cassie knew all the answers then she had to have gotten a good grade. I think the system had a hard time defining what good was. 
( z1 pass :ARG1 ( z2 person :name ( z3 name :op "Cassie" ) ) :ARG2 ( z4 exam :poss z2 ) :manner ( z5 grade :ARG1-of ( z6 good ) ) )