premise: A young african boy skipping rocks.
hypothesis: There is a rock currently skipping down a pond.
explanation_1: Just because someone is skipping rocks doesn't mean its on a pond. You can skip rocks on any body of water.
explanation_2: There are other bodies of water besides a pond.
explanation_3: It's possible to skip rocks on other bodies of water besides a pond.
premise_logic: exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_skip(e1) & n_rock(x3) & (x1 = x2) & n_boy(x1) & a_african(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 x1 e1 s1 s2 x2 x3 x4.((x1 = x2) & a_currently(s2) & Manner(e1,s2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x3) & v_skip(e1) & n_pond(x4) & (x2 = x3) & n_rock(x2))
premise_sim: exists e1 s1 s2 x1 x2 x3.(v_skip(e1) & n_rock(x3) & n_boy(x1) & a_young(s1) & a_topic(x1) & a_african(s2) & Theme(s2,x1) & Theme(s1,x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1 e1 s1 s2 x2 x3 x4.(v_skip(e1) & n_rock(x2) & n_pond(x4) & a_down(s1) & a_currently(s2) & Theme(e1,x4) & Manner(e1,s2) & Manner(e1,s1) & Actor(e1,x3) & (x2 = x3) & (x1 = x2))