premise: Children play in a water fountain.
hypothesis: The children are both dry.
explanation_1: Unless the water fountain is off, the children are being hit by water. So, it is unlikely that they are dry.
premise_logic: exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_fountain(x3) & of(x3,x4) & n_water(x4) & n_play(x1) & (x1 = x2) & ne_nam_children(x2))
hypothesis_logic: exists s1 x1.(n_child(x1) & r_both(s1) & Theme(s1,x1) & a_dry(s1))
premise_sim: exists x1 x2 x3 x4.(of(x3,x4) & ne_nam_children(x2) & n_water(x4) & n_play(x1) & n_fountain(x3) & in(x1,x3) & a_topic(x1) & (x1 = x2))
hypothesis_sim: exists s1 x1.(r_both(s1) & n_child(x1) & a_dry(s1) & Theme(s1,x1))