A man sitting down eating, and a woman with a black shirt walking outside with shopping bags.
A fellow is sitting, and a lady is walking outside
A man sitting and a woman walking does imply a fellow sitting and a lady walking.
exists e2 e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(s1) & subset_of(x4,s1) & with(x4,x5) & with(e2,x7) & n_bag(x7) & of(x7,x8) & n_shopping(x8) & a_outside(s4) & Manner(e2,s4) & Actor(e2,x6) & v_walk(e2) & (x5 = x6) & n_shirt(x5) & a_black(s3) & Theme(s3,x5) & n_woman(x4) & subset_of(x1,s1) & Time(e1,x3) & n_eating(x3) & a_down(s2) & Manner(e1,s2) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e2 e1 s1 x1 x2.(a_outside(s1) & Manner(e2,s1) & Actor(e2,x2) & v_walk(e2) & n_lady(x2) & Actor(e1,x1) & v_sit(e1) & n_fellow(x1))