Two elderly gentleman sitting in scooters talking to one another.
Two elderly men are riding their scooters.
There's no way in knowing whether or not the men are riding their scooters.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x3) & to(e2,x5) & n_thing(x5) & card_eq_1(x5) & a_another(s2) & Theme(s2,x5) & Actor(e2,x4) & v_talk(e2) & (x3 = x4) & n_scooter(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_gentleman(x1) & a_elderly(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_scooter(x2) & of(x2,x1) & n_thing(x1) & n_man(x1) & a_elderly(s1) & Theme(s1,x1) & card_eq_2(x1))