A child is playing at a park.
A child enjoys the start of his summer vacation at the local park.
Just because a child is playing, it does not mean that it is the start of summer vacation.
exists e1 x1 x2.(at(e1,x2) & n_park(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists e1 s1 x1 x2 x3 x4 x5.(n_park(x5) & a_local(s1) & Theme(s1,x5) & n_vacation(x3) & of(x3,x4) & n_summer(x4) & of(x3,x2) & n_male(x2) & n_start(x2) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & of(x2,x3) & at(x3,x5) & n_child(x1))