Assertion: dolphin's calf | /r/CapableOf | learn to recognize its mother's whistle
Facets:
Source sentences:
text: Each dolphin has a signature whistle with which it identifies itself; a calf soon learns to recognize its mother's whistle.
text: Each dolphin has a signature whistle with which it identifies itself; a calf soon learns to recognize its mother's whistle.
text: Each dolphin has a signature whistle with which it identifies itself; a calf soon learns to recognize its mother's whistle.