A man performs on a busy street.
A man plays his bass guitar for a crowd.
A man performs on the street does not mean that the man is playing a bass guitar.
exists e1 s1 x1 x2.(on(e1,x2) & n_street(x2) & a_busy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_perform(e1) & n_man(x1))
exists e1 x1 x2 x3 x4.(for(e1,x4) & n_crowd(x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & of(x2,x3) & n_bass(x3) & of(x2,x1) & n_male(x1) & n_man(x1))