A little boy climbs up a play structure.
A boy is playing.
Climbing up a play structure is playing. A little boy is a boy.
exists e1 s1 s2 x1 x2 x3.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_structure(x2) & of(x2,x3) & n_play(x3) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_play(e1) & n_boy(x1))