A number of people are climbing up scaffolding.
A couple of people climbed the ladder.
The people cannot be climbing both a ladder and scaffolding.
exists e1 s1 x1 x2 x3.(a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_climb(e1) & n_scaffolding(x3) & of(x1,x2) & n_people(x2) & n_number(x1))
exists e1 x1 x2 x3.(n_ladder(x3) & Time(e1,x3) & Actor(e1,x1) & v_climb(e1) & of(x1,x2) & n_people(x2) & n_couple(x1))