A man and a woman in glasses are walking side-by-side on a busy pedestrian street.
A couple are walking down the street.
Just because A man and a woman in glasses are walking side-by-side on a busy pedestrian street doesn't mean they are a couple.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(on(e1,x5) & n_street(x5) & a_pedestrian(s3) & Theme(s3,x5) & a_busy(s2) & Theme(s2,x5) & a_side-by-side(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & subset_of(x3,x1) & in(x3,x4) & n_glass(x4) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 x1 x2.(n_street(x2) & down(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_couple(x1))