premise: A boy wearing a shirt with the Simpsons character, Ralph Wiggum, plays a Nintendo DS with his sister.
hypothesis: A boy is playing a Nintendo DS with his sister.
explanation_1: Playing with his sister a boy is wearing a shirt.
explanation_2: A boy wearing a shirt with the Simpsons character, Ralph Wiggum is the same as a boy who plays Nintendo DS with his sister.
explanation_3: The boy is playing with his sister because the boy plays with his sister.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_sister(x10) & of(x10,x6) & n_male(x6) & ne_per_wiggum(x6) & (x6 = x7) & ne_per_ralph(x7) & n_character(x4) & of(x4,x5) & n_simpson(x5) & with(e2,x10) & Theme(e2,x8) & Actor(e2,x1) & v_play(e2) & ne_org_ds(x8) & (x8 = x9) & ne_org_nintendo(x9) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & with(x3,x4) & rel(x4,x6) & n_shirt(x3) & (x1 = x2) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(with(e1,x4) & n_sister(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & ne_org_ds(x2) & (x2 = x3) & ne_org_nintendo(x3) & n_boy(x1))
premise_sim: exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(with(x3,x4) & with(e2,x10) & v_wear(e1) & v_play(e2) & rel(x4,x6) & of(x4,x5) & of(x10,x6) & ne_per_wiggum(x6) & ne_per_ralph(x7) & ne_org_nintendo(x9) & ne_org_ds(x8) & n_sister(x10) & n_simpson(x5) & n_shirt(x3) & n_male(x6) & n_character(x4) & n_boy(x1) & Theme(e2,x8) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x2) & (x8 = x9) & (x6 = x7) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2 x3 x4.(with(e1,x4) & v_play(e1) & of(x4,x1) & ne_org_nintendo(x3) & ne_org_ds(x2) & n_sister(x4) & n_male(x1) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & (x2 = x3))