A climber is making his way up a snowy mountainside.
A climber is at base camp
The man cannot be at base camp and making his way up a snowy mountainside at the same time.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & up(x2,x3) & n_mountainside(x3) & a_snowy(s1) & Theme(s1,x3) & n_way(x2) & of(x2,x1) & n_male(x1) & n_climber(x1))
exists p1 x1.(exists x2 x3.(at(x1,x2) & n_camp(x2) & of(x2,x3) & n_base(x3)) & n_climber(x1))