Assertion: cobra's muscle | /r/HasProperty | specialized
Facets:
Source sentences:
text: All cobras have specialized muscles and ribs in the neck that can flare out when the cobra feels threatened.
text: They have specialized muscles and ribs in the neck that can flare out when the cobra feels threatened.
text: Like other cobras they have specialized muscles and ribs in the neck that can flare out when it feels threatened.