premise: A young man in black pants and a gray shirt holds a skateboard with colorful decals upright while sitting on a gray stone block.
hypothesis: The person is walking through a crowd.
explanation_1: One cannot be sitting and walking at the same time.
explanation_2: A person cannot be sitting and walking the same time.
explanation_3: A person cannot be sitting and walking at the same time
premise_logic: exists e1 e2 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5 x6 x7 x8 x9.(while(e1,e2) & on(e2,x8) & n_block(x8) & of(x8,x9) & n_stone(x9) & a_gray(s5) & Theme(s5,x8) & Actor(e2,x1) & v_sit(e2) & with(e1,x6) & n_upright(x6) & of(x6,x7) & n_decal(x7) & a_colorful(s4) & Theme(s4,x6) & Theme(e1,x5) & Actor(e1,x1) & v_hold(e1) & n_skateboard(x5) & subset_of(x4,x1) & n_shirt(x4) & a_gray(s3) & Theme(s3,x4) & subset_of(x2,x1) & in(x2,x3) & n_pants(x3) & a_black(s2) & Theme(s2,x3) & n_man(x2) & a_young(s1) & Theme(s1,x2))
hypothesis_logic: exists e1 x1 x2.(n_person(x1) & through(e1,x2) & n_crowd(x2) & Actor(e1,x1) & v_walk(e1))