A person in a red shirt is riding a bicycle along a dirt trail.
A person in a shirt is riding a bicycle along a dirt trail.
There is a person riding a bicycle along a dirt trail.
exists e1 s1 x1 x2 x3 x4 x5.(along(e1,x4) & n_trail(x4) & of(x4,x5) & n_dirt(x5) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x3) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_person(x1))
exists e1 x1 x2 x3 x4 x5.(along(e1,x4) & n_trail(x4) & of(x4,x5) & n_dirt(x5) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x3) & in(x1,x2) & n_shirt(x2) & n_person(x1))