premise: A young boy in a Cookie Monster t-shirt sits on the ground on a fall day, holding a fallen leaf in his hand as an expression of joy lights up on his face.
hypothesis: A young boy is playing in a pile of leaves.
explanation_1: A young boy holding a fallen leaf  on a fall day with an expression of joy implies playing with leaves.
explanation_2: Young boy in a Cookie Monster t-shirt is a type of young boy, and holding a fallen leaf implies playing.
explanation_3: On a fall day there would be piles of leaves on the ground.
premise_logic: exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13.(n_face(x13) & of(x13,x5) & n_male(x5) & n_male(x5) & n_hand(x9) & of(x9,x5) & n_ground(x5) & for(e1,e2) & on(e2,x13) & a_up(s3) & Manner(e2,s3) & as(e2,x10) & of(x10,x11) & n_light(x11) & of(x11,x12) & n_joy(x12) & n_expression(x10) & in(e2,x9) & Theme(e2,x8) & Actor(e2,x1) & v_hold(e2) & n_leaf(x8) & a_fallen(s2) & Theme(s2,x8) & on(e1,x6) & n_day(x6) & of(x6,x7) & n_fall(x7) & on(e1,x5) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_t-shirt(x2) & (x2 = x4) & ne_nam_monster(x4) & (x2 = x3) & ne_nam_cookie(x3) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_leaf(x3) & n_pile(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))