A young women and a man staring at each other.
A couple of people are riding bikes.
One would not be considered staring while riding a bike.
exists e1 s1 s2 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & all x4.(n_other(x4) -> at(e1,x4)) & Actor(e1,x3) & v_stare(e1) & (x2 = x3) & n_man(x2) & subset_of(x1,s1) & n_woman(x1) & a_young(s2) & Theme(s2,x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bike(x3) & of(x1,x2) & n_people(x2) & n_couple(x1))