The bike rider runs with his red bike while another gains on him, both wearing green outfits and black helmets.
The rider is from the future and bikes are obsolete.
The biker either runs with his red bike or does not have a bike because bikes are obsolete.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(n_helmet(x8) & a_black(s3) & Theme(s3,x8) & n_outfit(x7) & subset_of(x8,x6) & subset_of(x7,x6) & a_green(s2) & Theme(s2,x6) & Actor(e2,x6) & v_wear(e2) & n_male(x1) & n_male(x1) & n_gain(x3) & n_bike(x2) & n_bike(x2) & a_red(s1) & Theme(s1,x2) & of(x2,x1) & n_rider(x1) & of(x1,x2) & while(e1,x4) & on(x4,x5) & subset_of(x6,x5) & subset_of(x1,x5) & n_gain(x4) & -(x4 = x3) & with(e1,x2) & Actor(e1,x1) & v_run(e1))
exists p1 s1 x1 x2 x3.(n_future(x3) & n_rider(x1) & Theme(s1,x2) & a_obsolete(s1) & n_bike(x2) & from(x1,x3))