A man is protesting in a hard hat.
The man is wearing something on his head.
a hard hat is him wearing something
exists e1 s1 x1 x2.(in(e1,x2) & n_hat(x2) & a_hard(s1) & Theme(s1,x2) & Actor(e1,x1) & v_protest(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_head(x3) & of(x3,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & on(x2,x3) & n_thing(x2))