A girl on a bike stops to look back.
A girl hears someone call her name and pauses
There are many reasons to stop, not just because she hears someone call her name.
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_stop(e1) & exists e2 p2.(exists s1.(Theme(s1,x1) & a_back(s1)) & Topic(e2,p2) & Actor(e2,x1) & v_look(e2)) & on(x1,x2) & n_bike(x2) & n_girl(x1))
exists e1 e2 x1 x2 x3 x4 x5 x6.(Theme(e2,x2) & Actor(e2,x1) & v_hear(e2) & subset_of(x6,x2) & n_pause(x6) & subset_of(x3,x2) & Theme(e1,x5) & Actor(e1,x4) & v_call(e1) & n_name(x5) & of(x5,x1) & n_female(x1) & (x3 = x4) & n_person(x3) & n_girl(x1))