Q: In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Context: Horse racing is an equestrian performance sport, involving two or more jockeys riding horses over a set distance for competition. It is one of the most ancient of all sports and its basic premise  to identify which of two or more horses is the fastest over a set course or distance  has remained unchanged since the earliest times., A jockey is someone who rides horses in horse racing or steeplechase racing, primarily as a profession. The word also applies to camel riders in camel racing., William Cross Yuille ( 28 March 1819 -- 19 July 1894 ) was a Scottish Australian pastoralist notable as , after immigrating to Australia , as a founder of Ballarat as well as for his role in the establishment of the Victorian horse racing ., Subject: william cross yuille, Relation: occupation, Options: (A) equestrian (B) jockey
A:
jockey