Two people are running from something while a person is riding a bike.
They move away from a mysterious object
Two people are running while another person rides a bike.
exists e1 p1 x1 x2.(exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_ride(e2) & n_bike(x4) & n_person(x3)) & while(e1,p1) & from(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_run(e1) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1.(from(e1,x1) & n_object(x1) & a_mysterious(s1) & Theme(s1,x1) & r_away(e1) & Actor(e1,x1) & v_move(e1) & n_thing(x1))