A male has his hand outside of a trolley car.
A man riding public transportation.
Having his hand outside of a trolley car shows that the man is riding a public transportation.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & of(x3,x4) & n_car(x4) & of(x4,x5) & n_trolley(x5) & outside(x2,x3) & n_thing(x3) & n_hand(x2) & of(x2,x1) & n_male(x1) & n_male(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_transportation(x3) & a_public(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))