Assertion: symmetry | /r/HasProperty | pitted against the 1797 st leger winner
Facets:
value: on 25 may at york racecourse
type: TEMPORAL
Source sentences:
text: On 25 May at York Racecourse, Symmetry was pitted against the 1797 St Leger winner Lounger in a race over one and a half miles in which he carried twelve pounds less than the older horse.