a man a woman and a child sitting on a couch smiling
A family is watching SpongeBob, and they laugh together over something silly that Patrick says.
It cannot be inferred that the people are a family or that they are watching Spongebob and smiling over something silly that Patrick says.
exists e1 e2 s1 x1 x2 x3.(a_topic(s1) & subset_of(x1,s1) & for(e1,e2) & Actor(e2,x2) & v_smile(e2) & on(e1,x3) & n_couch(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_child(x1) & all x4.(n_woman(x4) -> exists x5.(subset_of(x5,s1) & for(x5,x4) & n_man(x5))))
exists e1 e3 e2 p1 s1 x1 x2 x3 x4 x5.(ne_geo_patrick(x5) & ne_org_spongebob(x2) & Theme(s1,e2) & a_together(s1) & over(e2,x3) & Topic(e3,p1) & Actor(e3,x4) & v_silly(e3) & exists e4.(Actor(e4,x5) & v_say(e4)) & (x3 = x4) & n_thing(x3) & n_thing(x3) & Actor(e2,x3) & v_laugh(e2) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_family(x1))