The boy is trying to push another up a pole.
A boy is climbing a pole at a playground.
Just because they are trying to push each other up a pole doesn't mean there is a playground.
exists e1 p1 x1.(n_boy(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x2 x3.(n_pole(x3) & Time(e2,x3) & a_up(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_push(e2) & n_thing(x2)))
exists e1 x1 x2 x3.(at(e1,x3) & n_playground(x3) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_pole(x2) & n_boy(x1))