There are two street musicians playing percussion, while a crowd of people look on.
Two musicians are attacking a crowd.
The musicians cannot be attacking a crowd and be playing percussion simultaneously.
exists p1 x1 e1 p2 x2 x3 x4 x5.((x1 = x2) & exists e2 p3 x6 x7.(exists s1.(Theme(s1,x6) & a_on(s1)) & Topic(e2,p3) & Actor(e2,x6) & v_look(e2) & of(x6,x7) & n_people(x7) & n_crowd(x6)) & while(e1,p2) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_percussion(x5) & (x2 = x4) & n_musician(x2) & of(x2,x3) & n_street(x3) & card_eq_2(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_attack(e1) & n_crowd(x2) & n_musician(x1) & card_eq_2(x1))