Assertion: ostrich's parent | /r/CapableOf | dip their heads
Facets:
value: to turn the eggs
type: PURPOSE
value: below the ground
type: LOCATION
value: a few times a day
type: TEMPORAL
Source sentences:
text: A few times a day, the ostrich parents dip their heads below the ground to gently turn the eggs using their beaks [source: American Ostrich Association].