premise: A child making a sand castle on the beach.
hypothesis: A child on a beach.
explanation_1: One must be on a beach in order to be making a sand castle on the beach.
explanation_2: Sand castles are usually made at the beach, so it stands to reason that this child is at the beach.
explanation_3: The child making sand castle is on the beach
premise_logic: exists e1 x1 x2 x3 x4 x5.(n_beach(x5) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_make(e1) & on(x3,x5) & n_castle(x3) & of(x3,x4) & n_sand(x4) & (x1 = x2) & n_child(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & on(x1,x2) & n_beach(x2) & n_child(x1))