premise: People wearing sombreros drink shots happily.
hypothesis: Fiesta time!
explanation_1: They are celebrating happily at fiesta time.
explanation_2: FIESTA MEANS DRINKING SHOTS
explanation_3: Fiesta time involves drinks and shots with sombreros hats
premise_logic: exists e2 e1 s1 x1 x2 x3 x4.(a_happily(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x1) & v_drink(e2) & n_shot(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_sombrero(x3) & (x1 = x2) & n_people(x1))
hypothesis_logic: exists s1 x1 x2.(n_time(x1) & a_!(s1) & Theme(s1,x1) & (x1 = x2) & ne_org_fiesta(x2) & a_topic(x1))