A man holding a sign and a man playing a guitar are speaking in front of a crowd.
The man is performing.
Answer : Just because the man is holding a sign and a man is playing a guitar speaking in front of a crowd does not mean they are performing
exists e1 e3 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(in(e3,x8) & of(x8,x9) & n_crowd(x9) & n_front(x8) & Actor(e3,x1) & v_speak(e3) & Theme(e2,x3) & Actor(e2,x2) & v_hold(e2) & subset_of(x5,x3) & Theme(e1,x7) & Actor(e1,x6) & v_play(e1) & n_guitar(x7) & (x5 = x6) & n_man(x5) & subset_of(x4,x3) & n_sign(x4) & (x1 = x2) & n_man(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_perform(e1))