A group of adults and two infants enjoy dinner.
Humans eating
A group of adults is humans and they have to be eating to enjoy dinner.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x5) & Actor(e1,x1) & v_enjoy(e1) & n_dinner(x5) & of(x1,x2) & subset_of(x4,x2) & n_infant(x4) & card_eq_2(x4) & subset_of(x3,x2) & n_adult(x3) & n_group(x1))
exists x1 x2.(n_eating(x1) & (x1 = x2) & ne_nam_humans(x2) & a_topic(x1))