A small child climbs onto the arm of a red couch.
A child climbs onto the couch
The couch the child climbs onto can be a red couch.
exists s1 s2 x1 x2 x3 x4.(n_arm(x3) & a_topic(x1) & onto(x1,x3) & of(x3,x4) & n_couch(x4) & a_red(s2) & Theme(s2,x4) & n_climb(x1) & of(x1,x2) & n_child(x2) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_couch(x2) & onto(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_child(x1))