No Toilet Paper<br>Roberta was using the bathroom. She was a bit constipated. Finally she went and looked for some tissue. There was none in the stall. And she was all alone in the bathroom.
Roberta was not having any trouble defecating. 
( z1 have-trouble :polarity - :ARG0 ( z2 person :name ( z3 name :op "Roberta" ) ) :ARG1 ( z4 defecate :ARG0 z2 ) :mod ( z5 any ) )