premise: A mom and son enjoying a day in the park.
hypothesis: A mom and son enjoying a sunny day
explanation_1: Just because the mom and son are enjoying their day in the park doesn't mean the day has to be sunny; they might prefer rainy or overcast days instead.
explanation_2: Just because they are enjoying a day in the park does not mean it is sunny.
explanation_3: Not all days are sunny.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(n_park(x5) & a_topic(s1) & subset_of(x2,s1) & in(e1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & n_day(x4) & (x2 = x3) & n_son(x2) & subset_of(x1,s1) & n_mom(x1))
hypothesis_logic: exists e1 s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & n_day(x4) & a_sunny(s2) & Theme(s2,x4) & (x2 = x3) & n_son(x2) & subset_of(x1,s1) & n_mom(x1))