This young man is rock climbing
A young man is climbing.
Rock is climbed by a man who is young
exists p1 s1 x1.(n_man(x1) & a_young(s1) & Theme(s1,x1) & exists e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_climb(e1) & (x2 = x3) & n_rock(x2)))
exists e1 s1 x1.(Actor(e1,x1) & v_climb(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1))