premise: A dark-skinned person, crouched while painting a sign.
hypothesis: A black man is painting a protest sign.
explanation_1: You can have a sign and it not be a protest sign.
explanation_2: Not all people painting signs are black. Not all signs are protest signs.
explanation_3: Dark-skinned person does not imply a black man. Painting a sign does not imply that the sign is a protest sign.
premise_logic: exists e1 e2 s1 x1 x2.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_paint(e2) & n_sign(x2) & Actor(e1,x1) & v_crouch(e1) & n_person(x1) & a_dark-skinned(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_sign(x2) & of(x2,x3) & n_protest(x3) & n_man(x1) & a_black(s1) & Theme(s1,x1))