Shirtless men in their underwear are running with a blond in red underwear.
Several professors in suits are gathering for the conference.
Professors in suits are not shirtless.
exists e1 s1 s2 x1 x2 x3.(with(e1,x3) & in(x3,x2) & n_underwear(x2) & n_underwear(x2) & a_red(s2) & Theme(s2,x2) & n_blond(x3) & Actor(e1,x1) & v_run(e1) & in(x1,x2) & of(x2,x1) & n_thing(x1) & n_man(x1) & a_shirtless(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_conference(x3) & for(e1,x3) & Actor(e1,x1) & v_gather(e1) & in(x1,x2) & n_suit(x2) & n_professor(x1) & a_several(s1) & Theme(s1,x1))