A man in a black shirt appears to be jumping in the air holding two boards with a sign saying "stomp" in the background.
a man is protesting something
Holding two boards does not imply protesting something.
exists e1 p1 s1 x1 x2 x3 x8.(n_background(x8) & n_air(x3) & Topic(e1,p1) & Actor(e1,x1) & v_appear(e1) & exists e4 e3 e2 x4 x5 x6 x7.(for(e2,e3) & in(e3,x8) & with(e3,x5) & Theme(e4,x7) & Actor(e4,x6) & v_say(e4) & n_stomp(x7) & (x5 = x6) & n_sign(x5) & Theme(e3,x4) & Actor(e3,x1) & v_hold(e3) & n_board(x4) & card_eq_2(x4) & in(e2,x3) & Actor(e2,x1) & v_jump(e2)) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_protest(e1) & n_thing(x2) & n_man(x1))