Two people hiking and a woman in a yellow shirt looking back at the camera.
The two people are climbing a mountain.
You don't always climb when you hike.  Not all hiking is done on a mountain.
exists e2 e1 s1 s2 x1 x2 x3 x4.(n_camera(x4) & a_back(s2) & Manner(e2,s2) & at(e2,x4) & Actor(e2,x2) & v_look(e2) & in(x2,x3) & n_shirt(x3) & a_yellow(s1) & Theme(s1,x3) & n_woman(x2) & Actor(e1,x1) & v_hike(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_people(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_mountain(x2))