A man and a woman riding a double bicycle together.
A man and woman are riding a bicycle together on their first date.
Riding a bicycle together does not imply being on a first date.
exists e1 s1 s2 s3 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & a_together(s3) & Manner(e1,s3) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_bicycle(x4) & a_double(s2) & Theme(s2,x4) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 s1 s2 x1 x2 x3 x4 x5.(on(e1,x5) & n_date(x5) & a_first(s2) & Theme(s2,x5) & of(x5,x2) & n_thing(x2) & a_together(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x4) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))