premise: A group of teenagers enjoying cooling off in a fountain of water.
hypothesis: The teenagers are playing in a fountain.
explanation_1: Playing is a rephrasing of cooling off.
explanation_2: the teenagers are enjoying cooling and playing in a fountain
explanation_3: If they are cooling off in a fountain they could be playing in it.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x4) & of(x4,x5) & n_water(x5) & n_fountain(x4) & a_off(s1) & Manner(e1,s1) & Actor(e1,x3) & v_cool(e1) & (x1 = x3) & of(x1,x2) & n_teenager(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2.(n_teenager(x1) & in(e1,x2) & n_fountain(x2) & Actor(e1,x1) & v_play(e1))