A motorcyclist in red and white leather flies down the track.
The person is snorkeling in the ocean.
A motorcyclist cannot be snorkeling.
exists e1 s1 s2 s3 x1 x2 x3.(n_track(x3) & a_down(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x1) & v_fly(e1) & in(x1,x2) & n_leather(x2) & a_white(s2) & Theme(s2,x2) & a_red(s1) & Theme(s1,x2) & n_motorcyclist(x1))
exists e1 x1 x2.(n_ocean(x2) & n_person(x1) & in(e1,x2) & Actor(e1,x1) & v_snorkele(e1))