A man enters a tiny shack in the desert while another man exits.
Two men greet and shake hands.
One scenario only has one man, while the other has two.
exists e1 p1 s1 x1 x2 x3.(n_desert(x3) & exists e2 x4.(Actor(e2,x4) & v_exit(e2) & n_man(x4) & -(x4 = x1)) & n_man(x1) & n_man(x1) & while(e1,p1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_enter(e1) & n_shack(x2) & a_tiny(s1) & Theme(s1,x2))
exists s1 s2 x1 x2 x3 x4.(n_hand(x3) & a_.(s2) & Theme(s2,x3) & of(x3,x4) & n_shake(x4) & n_greet(x2) & subset_of(x3,s1) & subset_of(x2,s1) & of(s1,x1) & n_man(x1) & card_eq_2(s1) & a_topic(s1))