A couple walks down a pedestrian street at night.
A man and a woman are taking a stroll.
A couple walks down a pedestrian street at night does not mean that they are taking a stroll.
exists e1 s1 s2 x1 x2 x3.(at(e1,x3) & n_night(x3) & a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_street(x2) & a_pedestrian(s1) & Theme(s1,x2) & n_couple(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_take(e1) & n_stroll(x4) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))