premise: A very young child in a red plaid coat and pink winter hat makes a snowball in a large pile of snow.
hypothesis: An old lady fell on the stairs.
explanation_1: An old lady who fell on the stairs does not look like a child making a snowball.
explanation_2: A young child cannot be an old lady.
explanation_3: A young child cannot be an old lady. A person cannot be making a snowball while simultaneously falling down stairs.
premise_logic: exists e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8 x9.(in(e1,x5) & n_hat(x7) & of(x7,x9) & n_winter(x9) & a_pink(s4) & Theme(s4,x7) & n_coat(x6) & of(x6,x8) & n_plaid(x8) & a_red(s3) & Theme(s3,x6) & subset_of(x7,x5) & subset_of(x6,x5) & in(e1,x3) & of(x3,x4) & n_snow(x4) & n_pile(x3) & a_large(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_snowball(x2) & n_child(x1) & a_young(s1) & Theme(s1,x1) & r_very(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_stair(x2) & on(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_lady(x1) & a_old(s1) & Theme(s1,x1))