Three men are playing soccer on a field, with a fence and forest in the background.
the child was happy
The first sentence fails to mention a child, let alone the fact he was happy.
exists e1 x1 x2 x3 x4 x5 x6 x7.(n_background(x7) & with(e1,x4) & in(x4,x7) & n_forest(x6) & n_fence(x5) & subset_of(x6,x4) & subset_of(x5,x4) & on(e1,x3) & n_field(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_man(x1) & card_eq_3(x1))
exists s1 x1.(n_child(x1) & Theme(s1,x1) & a_happy(s1))