a man and a woman are laughing together
people are laughing
A man and a woman are people.
exists e1 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_laugh(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 x1.(Actor(e1,x1) & v_laugh(e1) & n_people(x1))