A man and two children, one child sitting on a pillow, staring out at an aquarium full of tropical fish.
A father and his two sons are are looking at fish.
Just because A man and two children, one child sitting on a pillow, staring out at an aquarium full of tropical fish does not imply that A father and his two sons are are looking at fish.
exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(s1) & rel(s1,x3) & for(e1,e2) & a_out(s4) & Manner(e2,s4) & at(e2,x6) & of(s2,x8) & n_fish(x8) & a_tropical(s3) & Theme(s3,x8) & Theme(s2,x7) & a_full(s2) & (x6 = x7) & n_aquarium(x6) & Actor(e2,x4) & v_stare(e2) & on(e1,x5) & n_pillow(x5) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_child(x3) & card_eq_1(x3) & subset_of(x2,s1) & n_child(x2) & card_eq_2(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 e2 x1 x2 x3 x4 x5.(at(e2,x5) & n_fish(x5) & Actor(e2,x1) & v_look(e2) & subset_of(x3,x1) & Actor(e1,x4) & v_be(e1) & (x3 = x4) & n_son(x3) & card_eq_2(x3) & of(x3,x2) & n_male(x2) & subset_of(x2,x1) & n_father(x2))