Children pose in front of a man on a motorcycle in a dirt lot.
THe children are posing
Children who pose are children who are posing.
exists e1 x1 x2 x3 x4 x5 x6.(in(e1,x5) & n_lot(x5) & of(x5,x6) & n_dirt(x6) & in(e1,x2) & of(x2,x3) & on(x3,x4) & n_motorcycle(x4) & n_man(x3) & n_front(x2) & Actor(e1,x1) & v_pose(e1) & n_child(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_pose(e1) & n_child(x1) & (x1 = x2) & ne_nam_the(x2))