premise: It is a march of people of different backgrounds all walking and one guy in a green shirt holds a flag.
hypothesis: A man holds a big flag.
explanation_1: The flag can be small or big.
explanation_2: We have no idea if the flag is big or not, he could be holding any size flag.
explanation_3: One cannot tell if the flag is big.
premise_logic: exists p1 x1 x5.(n_background(x5) & n_thing(x1) & exists p2 x2 x3 x4.((x1 = x2) & of(x2,x3) & all x7 x6 x8.((n_guy(x8) & card_eq_1(x8) & n_walking(x7) & subset_of(x8,x6) & subset_of(x7,x6)) -> exists e1 s1 x9 x10.(Theme(e1,x10) & Actor(e1,x6) & v_hold(e1) & n_flag(x10) & in(x6,x9) & n_shirt(x9) & a_green(s1) & Theme(s1,x9))) & that(x3,p2) & of(x3,x4) & -(x4 = x5) & n_background(x4) & n_people(x3) & n_march(x2)))
hypothesis_logic: exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_flag(x2) & a_big(s1) & Theme(s1,x2) & n_man(x1))