premise: People are pulling a big green tractor.
hypothesis: The tractor is small and red.
explanation_1: A big green tractor isnt small and red.
explanation_2: A tractor can not be both big and green and small and red.
explanation_3: Sentence 1 refers to a collective noun people and sentence 2 does not refer the collective noun as a group, men and women, etc.
premise_logic: exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_tractor(x2) & a_green(s2) & Theme(s2,x2) & a_big(s1) & Theme(s1,x2) & n_people(x1))
hypothesis_logic: exists s1 s2 x1.(n_tractor(x1) & Theme(s2,x1) & a_red(s2) & Theme(s1,x1) & a_small(s1))