An Asian person is sitting in the street on a motorbike.
A person is trying to start their motorbike.
If a person is in the street on a motorbike, trying to start the motorbike is likely superfluous since they are in the street already.
exists e1 s1 x1 x2 x3.(n_street(x2) & on(e1,x3) & n_motorbike(x3) & in(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_person(x1) & a_asian(s1) & Theme(s1,x1))
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_start(e2)) & n_motorbike(x2) & of(x2,x1) & n_thing(x1) & n_person(x1))