a little boy trying to climb up.
A girl pushes him back down.
One can't be a girl when they are a boy, and you can't push back down when you are climbing up.
exists e1 p1 s1 x1 x2.(a_topic(x1) & Topic(e1,p1) & Actor(e1,x2) & v_try(e1) & exists e2 s2.(a_up(s2) & Manner(e2,s2) & Actor(e2,x2) & v_climb(e2)) & (x1 = x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_male(x2) & r_back(e1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_girl(x1))