premise: Teens doing there best at a jump photo.
hypothesis: Girls are in mid-air.
explanation_1: We have no idea if the teens are girls or boy or both.
explanation_2: Not all teens are girls.
explanation_3: Teens at a jump photo does not imply that the teens are girls jumping in mid-air.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & at(e1,x3) & n_photo(x3) & of(x3,x4) & n_jump(x4) & a_best(s2) & Manner(e1,s2) & a_there(s1) & Manner(e1,s1) & Actor(e1,x2) & v_do(e1) & (x1 = x2) & n_teens(x1))
hypothesis_logic: exists p1 x1.(exists x2.(in(x1,x2) & n_mid-air(x2)) & n_girl(x1))