premise: A little girl in a gray shirt smiles as she brushes her teeth with a yellow and orange toothbrush.
hypothesis: A girl fakes a smile to brush her teeth.
explanation_1: You can not infer she fakes a smile.
explanation_2: the little girl does not have to fake a smile in order to brush her teeth.
explanation_3: A person does not need to fakes a smile in order to brush their teeth.
premise_logic: exists e1 p1 s1 s2 x1 x2 x3.(exists e2 x1 x4 x5 x6 x7.(with(e2,x4) & subset_of(x6,x4) & n_toothbrush(x6) & of(x6,x7) & n_orange(x7) & subset_of(x5,x4) & n_yellow(x5) & Theme(e2,x3) & Actor(e2,x1) & v_brush(e2) & n_female(x1)) & n_tooth(x3) & of(x3,x1) & n_female(x1) & as(e1,p1) & Actor(e1,x1) & v_smile(e1) & in(x1,x2) & n_shirt(x2) & a_gray(s2) & Theme(s2,x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & exists e2.(Theme(e2,x4) & Actor(e2,x1) & v_brush(e2)) & n_tooth(x4) & of(x4,x1) & n_female(x1) & Theme(e1,x3) & Actor(e1,x2) & v_fake(e1) & n_smile(x3) & n_girl(x2) & n_girl(x1))