A person wearing an orange shirt is riding a bike with something tide to the bike.
A person rides a bike.
" Rides a bike " is a rephrasing of "is riding a bike".
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(with(e2,x6) & to(x6,x5) & n_bike(x5) & n_bike(x5) & Time(x6,x7) & n_tide(x7) & n_thing(x6) & Theme(e2,x5) & Actor(e2,x1) & v_ride(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & of(x3,x4) & n_orange(x4) & (x1 = x2) & n_person(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_person(x1))