People dancing and playing with drums at a party.
The group is enjoying themselves at the party.
People dancing and playing with drums at a party does not mean that they enjoying themselves at the party.
exists e1 e2 x1 x2 x3 x4 x5 x6.(at(e2,x6) & n_party(x6) & with(e2,x5) & n_drum(x5) & Actor(e2,x4) & v_play(e2) & n_people(x4) & at(e1,x3) & n_party(x3) & with(e1,x2) & n_drum(x2) & Actor(e1,x1) & v_dance(e1) & n_people(x1))
exists e1 x1 x2 x3.(n_party(x3) & n_group(x2) & n_group(x1) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1))