A group of children play together in a fenced yard as an adult watches.
The children are at a party.
The children aren't necessarily at a party.
exists e1 p1 s1 s2 x1 x2 x3.(exists e2 x4.(Actor(e2,x4) & v_watch(e2) & n_adult(x4)) & as(e1,p1) & in(e1,x3) & n_yard(x3) & a_fenced(s2) & Theme(s2,x3) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
exists p1 x1.(n_child(x1) & exists x2.(at(x1,x2) & n_party(x2)))