A man in a helmet is riding a bike.
A person is riding a bike down the street.
Sentence 1: A man in a helmet is riding a bike. Sentence 2: A person is riding a bike down the street.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bike(x3) & in(x1,x2) & n_helmet(x2) & n_man(x1))
exists e1 x1 x2 x3.(n_street(x3) & down(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_person(x1))