A man in a white shirt is standing in a street that is crowded with people.
A man in a blue shirt is standing in a crowded street.
If a man is wearing a white shirt, he cannot be wearing a blue shirt.
exists e1 e2 s1 x1 x2 x3 x4 x5.(in(e1,x3) & with(e2,x5) & n_people(x5) & Theme(e2,x4) & v_crowd(e2) & (x3 = x4) & n_street(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 s2 x1 x2 x3.(in(e1,x3) & n_street(x3) & a_crowded(s2) & Theme(s2,x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))