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.
Mud is cleaner than people think.
It's not. The article said he played in the mud and got ill and had to be put into the hospital. 
( z1 have-degree :ARG1 ( z2 mud ) :ARG2 ( z3 clean :ARG1 z2 ) :ARG3 ( z4 more ) :ARG4 ( z5 think :ARG0 ( z6 person ) ) )