A man talking to a woman while he is holding her arm on a street at night.
a man and a woman are a couple that went on a date.
Just because a man is holding a woman's arm doesn't mean they are a couple on a date.
exists e1 p1 x1 x2 x3 x4.(a_topic(x1) & exists e2 x5 x6.(at(e2,x6) & n_night(x6) & Theme(e2,x4) & Actor(e2,x1) & v_hold(e2) & on(x4,x5) & n_street(x5)) & n_arm(x4) & of(x4,x1) & n_female(x1) & n_male(x1) & while(e1,p1) & to(e1,x3) & n_woman(x3) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_man(x1))
exists p1 x1 x2 x3.(exists e1 x4 x5 x6.((x1 = x4) & on(e1,x6) & n_date(x6) & Actor(e1,x5) & v_go(e1) & (x4 = x5) & n_couple(x4)) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))