Assertion: backstroke's body | /r/HasProperty | kept on the breast
Facets:
value: after the start
type: TEMPORAL
value: after each turn
type: TEMPORAL
Source sentences:
text: After the start and after each turn when the swimmer leaves the wall, the body shall be kept on the breast.
text: body shall be kept on the breast.
text: From the beginning of the first arm stroke after the start and each turn, the body shall be kept on the breast.