People walk in a building near a set of stairs.
A child learns to count.
You cannot learn to count while on a walk.
exists e1 x1 x2 x3 x4.(in(e1,x2) & near(x2,x3) & of(x3,x4) & n_stair(x4) & n_set(x3) & n_building(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_learn(e1) & exists e2.(Actor(e2,x1) & v_count(e2)) & n_child(x1))