A boy is sitting next to a girl blowing bubbles.
Two people sitting together
A boy sitting next to a girl means there are two entities (a boy and a girl) or people sitting together.
exists e1 e2 x1 x2 x3 x4.(to(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_blow(e2) & n_bubble(x4) & (x2 = x3) & n_girl(x2) & r_next(e1) & Actor(e1,x1) & v_sit(e1) & n_boy(x1))
exists e1 s1 x1 x2.(a_topic(x1) & a_together(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))