A couple walks through an Asian restaurant.
A man plays the harp for a crowd.
A man is singular while a couple is plural and a man plays the harp can not occur at the same time as a person walks though an Asian restaurant.
exists e1 s1 x1 x2.(through(e1,x2) & n_restaurant(x2) & a_asian(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_couple(x1))
exists e1 x1 x2 x3.(n_harp(x2) & for(e1,x3) & n_crowd(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))