premise: School kids all in blue backpacks.
hypothesis: Female school students in uniforms all in blue backpacks.
explanation_1: School kids does not imply that they are female nor that they are wearing uniforms.
explanation_2: School kids could be male or female.  Just because these kids had blue backpacks doesn't necessarily mean it is a uniform.
explanation_3: Kids are not necessarily female and could also be male.
premise_logic: all x1 x3 x2.(((x1 = x2) & n_kid(x2) & (x2 = x3) & ne_nam_school(x3)) -> exists s1 x4.(a_topic(x1) & in(x1,x4) & n_backpack(x4) & a_blue(s1) & Theme(s1,x4)))
hypothesis_logic: exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & n_all(x1) & in(x1,x5) & n_backpack(x5) & a_blue(s1) & Theme(s1,x5) & in(x1,x4) & n_uniform(x4) & n_student(x1) & of(x1,x3) & n_school(x3) & (x1 = x2) & ne_nam_female(x2))