Two mountain climbers sit on a mountain.
they are still in bed
Persons on a mountain cannot be on a bed
exists e1 x1 x2 x3.(on(e1,x3) & n_mountain(x3) & Actor(e1,x1) & v_sit(e1) & n_climber(x1) & of(x1,x2) & n_mountain(x2) & card_eq_2(x1))
exists p1 s1 x1.(n_thing(x1) & a_still(s1) & Manner(p1,s1) & exists x2.(in(x1,x2) & n_bed(x2)))