A biker in a red, white, and blue shirt rides past a lake and some people.
A person is riding a bike.
a biker is considered a person
exists s1 s2 s3 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & past(x2,x4) & subset_of(x6,x4) & n_people(x6) & subset_of(x5,x4) & n_lake(x5) & n_ride(x2) & of(x2,x3) & n_shirt(x3) & a_blue(s3) & Theme(s3,x2) & a_white(s2) & Theme(s2,x2) & a_red(s1) & Theme(s1,x2) & n_biker(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_person(x1))