premise: A young boy plays in the sprinklers, allowing the water to spray completely over his right arm.
hypothesis: A boy is playing in the water sprinkler.
explanation_1: The words plays and playing can mean the same thing.  The phrase 'boy plays' and 'boy is playing' are two ways to describe the same thing.
explanation_2: Young boy is a boy, sprinklers and water sprinker are one and same
explanation_3: A boy is playing in the water sprinkler allowing the water to spray completely over his right arm
premise_logic: exists e1 p1 s1 s3 x1 x2 x3 x4 x5.(n_arm(x5) & a_right(s3) & Theme(s3,x5) & of(x5,x3) & n_male(x3) & n_water(x4) & n_sprinkler(x3) & Topic(e1,p1) & Recipient(e1,x4) & Actor(e1,x1) & v_allow(e1) & exists e2 s2.(over(e2,x5) & a_completely(s2) & Manner(e2,s2) & Actor(e2,x4) & v_spray(e2)) & in(x1,x3) & n_play(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_sprinkler(x2) & of(x2,x3) & n_water(x3) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))