premise: Two girls on an amusement park ride smiling and laughing.
hypothesis: The two girls were happy at the amusement park
explanation_1: Smiling and laughing are indicators of being happy.
explanation_2: The two girls were happy by smiling and laughing at the amusement park ride.
explanation_3: Smiling and laughing are expressions of happiness
premise_logic: exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(Actor(e2,x5) & v_laugh(e2) & on(x5,x6) & n_ride(x6) & of(x6,x8) & n_park(x8) & of(x6,x7) & n_amusement(x7) & n_girl(x5) & card_eq_2(x5) & Actor(e1,x1) & v_smile(e1) & on(x1,x2) & n_ride(x2) & of(x2,x4) & n_park(x4) & of(x2,x3) & n_amusement(x3) & n_girl(x1) & card_eq_2(x1))
hypothesis_logic: exists s1 x1 x2 x3.(n_park(x2) & of(x2,x3) & n_amusement(x3) & n_girl(x1) & card_eq_2(x1) & at(s1,x2) & Theme(s1,x1) & a_happy(s1))