Strike<br>Fred worked at a grocery store that was about to go on strike. He was nervous because he didn't really believe in it. Fred diligently lined up with his co-workers on the picket line. They yelled and got angry at customers crossing their line. Fred finally had enough and got a job at a non-union store.
Yelling at people crossing the picket line was part of the protect. 
( z1 include :ARG1 ( z2 yell :ARG2 ( z3 person :ARG0-of ( z4 cross :ARG1 ( z5 line :mod ( z6 picket ) ) ) ) ) :ARG2 ( z7 protect ) )