A group of people are riding bikes across a bridge.
The group of people were going to a destination at the same time
People riding bikes across a bridge does not imply going to a destination at the same time necessarily.
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & across(x3,x4) & n_bridge(x4) & n_bike(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3 x4.(n_time(x4) & a_same(s1) & Theme(s1,x4) & n_group(x1) & at(e1,x4) & to(e1,x3) & n_destination(x3) & Actor(e1,x1) & v_go(e1) & of(x1,x2) & n_people(x2))