A man is working on his laptop at a desk and two men are talking behind him.
A young woman eating doritos on mars.
Sentence 1 makes no mention of a woman or anyone who is eating, only men and a man
exists e1 e2 x1 x2 x3 x4.(behind(e2,x1) & n_male(x1) & n_male(x1) & Actor(e2,x4) & v_talk(e2) & n_man(x4) & card_eq_2(x4) & at(e1,x3) & n_desk(x3) & on(e1,x2) & n_laptop(x2) & of(x2,x1) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_eat(e1) & on(x3,x4) & n_mar(x4) & n_dorito(x3) & (x1 = x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1))