A man in a tuxedo shirt and black sport coat tries on a rubber monster mask.
He is shopping for a hat to wear at the opera.
A man cannot try on a mask if he is looking for a hat.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(on(e1,x7) & n_mask(x7) & of(x7,x9) & n_monster(x9) & of(x7,x8) & n_rubber(x8) & Actor(e1,x1) & v_try(e1) & in(x1,x2) & n_coat(x4) & of(x4,x6) & n_sport(x6) & a_black(s1) & Theme(s1,x4) & n_shirt(x3) & of(x3,x5) & n_tuxedo(x5) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 p1 x1 x2.(n_opera(x2) & for(e1,x1) & Topic(x1,p1) & exists e2.(at(e2,x2) & Actor(e2,x1) & v_wear(e2)) & n_hat(x1) & Actor(e1,x1) & v_shop(e1) & n_male(x1))