A person in a red and black jacket with a black backpack scales a mountain face.
A person wearing a blue and gold parka with a green backpack is preparing to climb the mountain.
One can be wearing either red and black jacket with a black backpack or blue and gold parka with a green backpack.
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 e1 e2 p1 s1 s2 s3 x1 x2 x3 x4 x5.(n_mountain(x5) & Topic(e2,p1) & Actor(e2,x1) & v_prepare(e2) & exists e3.(Theme(e3,x5) & Actor(e3,x1) & v_climb(e3)) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & with(x3,x4) & n_backpack(x4) & a_green(s3) & Theme(s3,x4) & n_parka(x3) & a_gold(s2) & Theme(s2,x3) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))