premise: School kids all in blue backpacks.
hypothesis: Businessmen all in suits carrying black briefcases.
explanation_1: There can either be schools kids or businessmen. They can be either carrying briefcases or backpacks.
explanation_2: The first sentence is about school kids and the second sentence is about businessmen.
explanation_3: They are either school kids or businessmen.  They are either carrying blue backpacks or black briefcases - these are different colors and different types of bags.
premise_logic: all x2 x1 x3.(((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 e1 s1 x1 x2 x3 x4.(a_topic(x1) & n_all(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_carry(e1) & n_briefcase(x4) & a_black(s1) & Theme(s1,x4) & (x2 = x3) & n_suit(x2) & n_businessman(x1))