A boy tries to climb a large rock.
The boy is a Boy Scout, working on his mountaineering badge.
Just because a boy tries to climb a large rock it does not mean the boy is a Boy Scout.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_climb(e2) & n_rock(x2) & a_large(s1) & Theme(s1,x2)) & n_boy(x1))
exists e2 e1 p1 x1 x2.(n_badge(x2) & Actor(e2,x2) & v_mountaineer(e2) & of(x2,x1) & n_male(x1) & n_boy(x1) & for(p1,e1) & on(e1,x2) & Actor(e1,x1) & v_work(e1) & exists x3 x4.((x1 = x3) & ne_org_scout(x3) & (x3 = x4) & ne_org_boy(x4)))