Mud<br>Rick liked playing in the mud. But everyone thought it was too dirty. That didn't stop him however. And he continued to do what made him happy. But a few weeks later, he was hospitalized for a disease.
Rick didn't get sick from teh mud. 
( z1 sick :polarity - :ARG0 ( z2 mud ) :ARG1 ( z3 person :name ( z4 name :op "Rick" ) ) )