This youngster says the rock climbing is a snap!
A girl eats chips on the couch
A girl can't be rock climbing and eating chips.
exists e1 p1 x1 x2.(n_rock(x2) & n_youngster(x1) & exists e2 p2 x3.(exists x4.((x2 = x4) & n_snap(x4)) & Actor(e2,x3) & v_climb(e2) & (x2 = x3)) & Topic(e1,p1) & Actor(e1,x1) & v_say(e1))
exists e1 x1 x2 x3.(n_couch(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_chip(x2) & n_girl(x1))