The mountain climber prepares to take a photo.
A mountain climber is cooking dinner.
If the climber is preparing to take a photo, the. He or she is probably not cooking dinner.
exists e1 p1 x1 x2.(n_climber(x1) & of(x1,x2) & n_mountain(x2) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_take(e2) & n_photo(x3)))
exists p1 x1 x2.(exists s1 x3.((x1 = x3) & n_dinner(x3) & a_cooking(s1) & Theme(s1,x3)) & n_climber(x1) & of(x1,x2) & n_mountain(x2))