Man in plaid shirt scaling rocks.
A man is mountain climbing.
Scaling rocks does not imply mountain climbing.
exists e1 s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_rock(x2) & Actor(e1,x2) & v_scale(e1) & of(x2,x3) & n_shirt(x3) & a_plaid(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(exists x2 x3.((x1 = x2) & n_climb(x2) & of(x2,x3) & n_mountain(x3)) & n_man(x1))