A little boy is riding his bike on what appears to be a walking trail.
A boy is looking at the trees.
Not all little boy riding a bike is looking at the trees.
exists e1 s1 x1 x2.(exists e2 p1 x3.(n_thing(x3) & on(e1,x3) & Topic(e2,p1) & Actor(e2,x3) & v_appear(e2) & exists p2 x4 x5.((x3 = x4) & n_trail(x4) & of(x4,x5) & n_walking(x5))) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_tree(x2) & at(e1,x2) & Actor(e1,x1) & v_look(e1) & n_boy(x1))