A man and two woman are riding around on a motor scooter.
they are a couple
Just because A man and two woman are riding around on a motor scooter does not indicate that they are a couple
exists e1 p1 x1 x2 x3 x4 x5.(on(e1,x4) & n_scooter(x4) & of(x4,x5) & n_motor(x5) & exists s1.(Theme(s1,x1) & a_around(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_ride(e1) & n_woman(x3) & card_eq_2(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists p1 x1.(n_thing(x1) & exists x2.((x1 = x2) & n_couple(x2)))