A man without a shirt on is rock climbing.
They just got a new rock climbing wall at the gym, and the man without the shirt is trying it out.
A man rock climbing does not imply that they just got a new rock climbing wall.
exists p1 x1.(exists x4 x5.((x1 = x4) & n_climb(x4) & of(x4,x5) & n_rock(x5)) & -exists s1 x2 x3.(with(x1,x2) & Theme(s1,x3) & a_on(s1) & (x2 = x3) & n_shirt(x2)) & n_man(x1))
exists e2 e3 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_thing(x4) & n_shirt(x6) & n_man(x5) & n_gym(x4) & a_out(s3) & Manner(e3,s3) & Theme(e3,x4) & Actor(e3,x5) & v_try(e3) & -with(x5,x6) & a_just(s2) & Manner(e2,s2) & Theme(e2,x2) & Actor(e2,x1) & v_get(e2) & at(e1,x4) & Theme(e1,x1) & Actor(e1,x3) & v_climb(e1) & n_wall(x1) & (x2 = x3) & n_rock(x2) & a_new(s1) & Theme(s1,x2) & n_thing(x1))