A child is hanging upside down on a ladder while another child is swinging from a rope.
Children learning how to climb ropes in gym
The children could merely be playing, there is no indication that the children are learning how to climb ropes or learning anything.  There is also no indication that the children are in a gym as opposed to another location.
exists e1 p1 p2 x1.(exists e2 x3 x4.(from(e2,x4) & n_rope(x4) & Actor(e2,x3) & v_swing(e2) & n_child(x3) & -(x3 = x1)) & n_child(x1) & n_child(x1) & while(e1,p2) & exists s1 x2.(r_upside(s1) & on(s1,x2) & n_ladder(x2) & Theme(s1,x1) & a_down(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_hang(e1))
exists e1 x1 x2 x3.(a_topic(x1) & Topic(e1,x3) & Actor(e1,x2) & v_learn(e1) & n_manner(x3) & exists e2 x4 x5 x6.(in(e2,x6) & n_gym(x6) & Theme(e2,x5) & Actor(e2,x4) & v_climb(e2) & n_rope(x5)) & (x1 = x2) & n_child(x1))