Lady in red jacket, man in black jacket in open market.
A couple strolls hand in hand through the market.
A lady and man in market doesn't implies that they are couple.
exists s1 s2 s3 s4 x1 x2 x3 x4.(ne_nam_lady(s1) & a_topic(s1) & in(s1,x1) & rel(x1,x2) & in(x2,x3) & in(x3,x4) & n_market(x4) & a_open(s4) & Theme(s4,x4) & n_jacket(x3) & a_black(s3) & Theme(s3,x3) & n_man(x2) & n_jacket(x1) & a_red(s2) & Theme(s2,x1))
exists e1 x1 x2 x3 x4.(n_market(x4) & through(e1,x4) & in(e1,x3) & n_hand(x3) & Theme(e1,x2) & Actor(e1,x1) & v_stroll(e1) & n_hand(x2) & n_couple(x1))