Complex sentence: Morley Street's five-race winning streak came to an end at Ascot in December when he was beaten by Remittance Man in the Noel Novices' Chase after repeatedly jumping to the left on a right-handed course.
Split into simpler sentences: Morley Street's five race winning streak came to an end at Ascot in December when he was beaten by Remittance Man in the Noel Novices' Chase. He did not help his cause by repeatedly jumping to the left on a right-handed course.