A man with no shirt on is rock climbing.
There is a half naked person outdoors
You can rock climb outdoors and the man has no shirt so means he is half naked.
exists x1.(-exists p1 s1 x2 x3.(exists x4 x5.((x1 = x4) & n_climb(x4) & of(x4,x5) & n_rock(x5)) & with(x1,x2) & Theme(s1,x3) & a_on(s1) & (x2 = x3) & n_shirt(x2)) & n_man(x1))
exists p1 x1 s1 x2 x3 x4.((x1 = x2) & Time(x2,x4) & n_outdoors(x4) & n_person(x2) & a_naked(s1) & Theme(s1,x2) & of(x2,x3) & n_half(x3))