A person climbing up a snowy mountain.
The person climbing is watching television by the fire.
If a person is climbing up a snowy mountain, they must be outdoors, and can therefore not be watching television by a fire which is an indoor activity.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & a_up(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_climb(e1) & n_mountain(x3) & a_snowy(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))
exists e2 e1 x1 x2 x3 x4.(n_fire(x4) & n_person(x1) & by(e2,x4) & Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & n_television(x3) & Actor(e1,x2) & v_climb(e1) & (x1 = x2))