Three young children riding on a donkey drawn cart.
Three siblings ride together.
The fact that all three children are young does not imply that they are siblings or even related.
exists e2 e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_cart(x3) & Theme(e2,x3) & v_draw(e2) & of(x3,x4) & n_donkey(x4) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_child(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_ride(e1) & n_sibling(x1) & card_eq_3(x1))