premise: An elderly woman in a crowd pushing a wheelchair.
hypothesis: There is a 67 year old woman in a crowd.
explanation_1: Being elder doesn't imply being 67 year old.
explanation_2: The woman's exact age, 67 years old, is not known. Only that she is elderly is known.
explanation_3: Just because a woman is elderly does not mean she is exactly 67 years old.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_push(e1) & n_wheelchair(x4) & (x2 = x3) & n_crowd(x2) & n_woman(x1) & a_elderly(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 x1 s1 x2 x3 x4.((x1 = x2) & in(x2,x4) & n_crowd(x4) & n_woman(x2) & a_old(s1) & Theme(s1,x2) & of(x2,x3) & n_year(x3) & card_eq_67(x2))