A young boy goes through large rocks in the mountains.
The young boy is enjoying his hike.
A young boy going through large rocks is not necessarily enjoying a hike.
exists e1 s1 s2 x1 x2 x3.(n_mountain(x3) & in(e1,x3) & through(e1,x2) & n_rock(x2) & a_large(s2) & Theme(s2,x2) & Actor(e1,x1) & v_go(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_hike(x2) & of(x2,x1) & n_male(x1) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1))