premise: A teacher wearing a red and black striped shirt is conducting a class of about 20 playing music.
hypothesis: Some birds land on a telephone wire.
explanation_1: It is either about a teacher, or about the birds.
explanation_2: Birds cannot  be found in a class.
explanation_3: The subject is either a teacher or some birds.
premise_logic: exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(Theme(e2,x4) & Actor(e2,x1) & v_conduct(e2) & of(x4,x5) & n_music(x5) & of(x5,x6) & n_playing(x6) & n_date(x5) & a_date_day_20(x5) & a_date_day_20(x5) & r_about(x5) & n_class(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_striped(s3) & Theme(s3,x3) & a_black(s2) & Theme(s2,x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_teacher(x1))
hypothesis_logic: exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & n_wire(x3) & of(x3,x4) & n_telephone(x4) & n_land(x1) & of(x1,x2) & n_bird(x2))