A man with a suit and mask on.
A man is wearing a mask to scare someone.
just because the man wears mask that doesn't mean he going to scare someone
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & Theme(s1,x5) & a_on(s1) & (x2 = x5) & n_mask(x4) & n_suit(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 p1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & Topic(x2,p1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_scare(e2) & n_person(x3)) & n_mask(x2) & n_man(x1))