Assertion: sea otter's pup | /r/HasProperty | seen on the mother's belly
Facets:
value: a practice similar
type: OTHER
value: sometimes
type: TEMPORAL
Source sentences:
text: The pups remain with their mother for about 10 months of parental care, and can sometimes be seen on the mother's belly as she swims on her back, a practice similar to that of the sea otter.