Two people are climbing a portable rock wall
The people are indoors.
Two people climbing a rock wall indoors
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_wall(x2) & of(x2,x3) & n_rock(x3) & a_portable(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))
exists p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_indoor(x2)))