A worker in a yellow safety vest and goggles frowns.
A worker in a safety vest and goggles cheers and high fives his coworker.
The worker cheers so he cannot be frowning.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & subset_of(x5,x2) & n_frown(x5) & of(x5,x6) & n_goggles(x6) & subset_of(x3,x2) & n_vest(x3) & of(x3,x4) & n_safety(x4) & a_yellow(s1) & Theme(s1,x3) & n_worker(x1))
exists x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & in(x1,x2) & subset_of(x7,x2) & r_high(x7) & Time(x7,x8) & n_fives(x8) & n_coworker(x7) & of(x7,x1) & n_male(x1) & subset_of(x3,x2) & n_cheer(x3) & of(x3,x6) & n_goggles(x6) & of(x3,x5) & n_vest(x5) & of(x3,x4) & n_safety(x4) & n_worker(x1))