Two street musicians are performing, as people walk by.
There are street magicians performing.
Musicians are not same as magicians.
exists e1 e2 s1 x1 x2 x3 x4.(as(e1,x3) & a_by(s1) & Manner(e2,s1) & Theme(e2,x4) & v_walk(e2) & (x3 = x4) & n_people(x3) & Actor(e1,x1) & v_perform(e1) & n_musician(x1) & of(x1,x2) & n_street(x2) & card_eq_2(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Actor(e1,x4) & v_perform(e1) & (x2 = x4) & n_magician(x2) & of(x2,x3) & n_street(x3))