A person in a red and black jacket with a black backpack scales a mountain face.
This is the first time the person has tried mountain climbing.
It cannot be assumed that whether the person is for the first time in climbing
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_scale(e1) & n_face(x4) & of(x4,x5) & n_mountain(x5) & with(x1,x3) & n_backpack(x3) & a_black(s3) & Theme(s3,x3) & in(x1,x2) & n_jacket(x2) & a_black(s2) & Theme(s2,x2) & a_red(s1) & Theme(s1,x2) & n_person(x1))
exists p1 s1 x1 x2 x3.(n_person(x3) & n_time(x2) & a_first(s1) & Theme(s1,x2) & n_thing(x1) & exists p2.((x1 = x2) & exists e2 e1 x4.(for(e1,e2) & Actor(e2,x3) & v_climb(e2) & Theme(e1,x4) & Actor(e1,x3) & v_try(e1) & n_mountain(x4)) & that(x2,p2)))