A man is riding a red motorcycle with a small child sitting in front of him.
A woman drives a green moped.
A man and a woman cannot be the same person. A  red motorcycle and  a green moped are different vehicles.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(with(e1,x3) & in(e2,x5) & of(x5,x1) & n_male(x1) & n_front(x5) & Actor(e2,x4) & v_sit(e2) & (x3 = x4) & n_child(x3) & a_small(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_moped(x2) & a_green(s1) & Theme(s1,x2) & n_woman(x1))