premise: A boy looks surly as his father looks at the camera.
hypothesis: a girl looks at her father
explanation_1: There can be either a boy or a girl.
explanation_2: He refers to a boy and not a girl.
explanation_3: The child cannot be both a boy and a girl.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4.(n_camera(x4) & a_surly(s1) & Manner(e1,s1) & as(e1,x2) & at(e2,x4) & Actor(e2,x3) & v_look(e2) & (x2 = x3) & n_father(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_look(e1) & n_boy(x1))
hypothesis_logic: exists e1 x1 x2.(at(e1,x2) & n_father(x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_look(e1) & n_girl(x1))