A man and girl are laughing together.
The couple is sound asleep.
People can't be laughing while sound asleep.
exists e1 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_laugh(e1) & n_girl(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists p1 x1.(n_couple(x1) & exists s1 x2.((x1 = x2) & n_asleep(x2) & a_sound(s1) & Theme(s1,x2)))