A boy is sitting next to a girl blowing bubbles.
Teen pair playing together
sitting next to is always playing 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 x1 x2 x3.(a_topic(x1) & r_together(x1) & n_playing(x1) & of(x1,x3) & n_pair(x3) & (x1 = x2) & ne_nam_teen(x2))