premise: A man lying on the grass on a rugby field, holding a rugby ball.
hypothesis: A many sleeping with his rugby ball.
explanation_1: A man can lie down without sleeping.
explanation_2: Just because a man is lying on the grass doesn't mean he is sleeping.
explanation_3: A man lying on a field are not always sleeping.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_grass(x3) & a_topic(x1) & Theme(e2,x6) & Actor(e2,x5) & v_hold(e2) & n_ball(x6) & a_rugby(s2) & Theme(s2,x6) & (x1 = x5) & on(e1,x4) & n_field(x4) & a_rugby(s1) & Theme(s1,x4) & on(e1,x3) & Actor(e1,x2) & v_lie(e1) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists s1 x1 x2.(a_topic(x1) & with(x1,x2) & n_ball(x2) & a_rugby(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_sleeping(x1) & n_quantity(x1))