A man is rock climbing without a shirt
A man without a shirt ascends Half Dome.
Just because a man is climbing doesn't mean he is climbing Half Dome.
exists p1 x1.(exists e1 x2 x3.((x1 = x2) & -exists x4.(with(e1,x4) & n_shirt(x4)) & Actor(e1,x3) & v_climb(e1) & (x2 = x3) & n_rock(x2)) & n_man(x1))
exists e1 x1 x2 x3.(ne_geo_dome(x2) & (x2 = x3) & ne_geo_half(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ascend(e1) & -exists x4.(with(x1,x4) & n_shirt(x4)) & n_man(x1))