A man and a woman are walking along a sidewalk and talking in the sun
A man and woman are talking about having a child together one day.
A man and a woman walking along a sidewalk and talking does not imply that the man and woman are talking about having a child together one day, since they could be discussing anything.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(n_sun(x8) & in(e2,x8) & Actor(e2,x5) & v_talk(e2) & subset_of(x7,x5) & n_woman(x7) & subset_of(x6,x5) & n_man(x6) & along(e1,x4) & n_sidewalk(x4) & Actor(e1,x1) & v_walk(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(about(e1,e2) & Time(e2,x7) & card_eq_1(x7) & Time(e2,x6) & n_day(x6) & a_together(s1) & Manner(e2,s1) & Theme(e2,x5) & Actor(e2,x4) & v_have(e2) & n_child(x5) & Actor(e1,x1) & v_talk(e1) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))