Bent Over<br>The man bent over. He felt a pain in his back. He sat on the ground. The pain intensified. He screamed for help from the ground.
The man was hurt worse by sitting.
When he sat on the ground the pain got worse so that tells me he hurt himself more by sitting.
( z1 hurt :ARG0 ( z2 sit :ARG1 ( z3 man ) ) :ARG1-of ( z4 have-degree :ARG2 ( z5 bad :ARG1 z1 ) :ARG3 ( z6 more ) ) )