premise: Eight oriental teenagers in red shirts are sitting on concrete bleachers.
hypothesis: Everyone is sitting.
explanation_1: The fact that eight teenagers are sitting on concrete bleachers does not mean that everyone on the bleachers is sitting.
premise_logic: exists e1 s1 s2 s3 x1 x2 x3.(on(e1,x3) & n_bleacher(x3) & a_concrete(s3) & Theme(s3,x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_shirt(x2) & a_red(s2) & Theme(s2,x2) & n_teenager(x1) & a_oriental(s1) & Theme(s1,x1) & card_eq_8(x1))
hypothesis_logic: all x1.(n_person(x1) -> exists e1.(Actor(e1,x1) & v_sit(e1)))
premise_sim: exists e1 s1 s2 s3 x1 x2 x3.(v_sit(e1) & on(e1,x3) & n_teenager(x1) & n_shirt(x2) & n_bleacher(x3) & in(x1,x2) & card_eq_8(x1) & a_red(s2) & a_oriental(s1) & a_concrete(s3) & Theme(s3,x3) & Theme(s2,x2) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: all x1.(exists e1.(v_sit(e1) & Actor(e1,x1)) | -n_person(x1))