premise: children are sitting in chairs with a music stand in the background.
hypothesis: Children are having fun at Tommy's birthday party.
explanation_1: Children are sitting in chairs with a music stand in the background don't necessarily imply that the children are having fun at a birthday party.
explanation_2: Just because there are children and music doesn't mean it is a birthday party.
explanation_3: The occasion may not be Tommy's birthday party.
premise_logic: exists e1 x1 x2 x3 x4 x5.(n_background(x5) & with(e1,x3) & in(x3,x5) & n_stand(x3) & of(x3,x4) & n_music(x4) & in(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(n_party(x4) & of(x4,x5) & n_birthday(x5) & of(x4,x3) & ne_geo_tommy(x3) & at(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_fun(x2) & n_child(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5.(with(e1,x3) & v_sit(e1) & of(x3,x4) & n_stand(x3) & n_music(x4) & n_child(x1) & n_chair(x2) & n_background(x5) & in(x3,x5) & in(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3 x4 x5.(v_have(e1) & of(x4,x5) & of(x4,x3) & ne_geo_tommy(x3) & n_party(x4) & n_fun(x2) & n_child(x1) & n_birthday(x5) & at(e1,x4) & Theme(e1,x2) & Actor(e1,x1))