Assertion: black mamba's venom | /r/MadeOf | both neurotoxins
Facets:
value: to paralyze their victims
type: PURPOSE
Source sentences:
text: not only are they the fastest land snake, but their venom contains both neurotoxins and cardio-toxins.
text: When they strike, black mambas rely on their lethal venom, which contains both a neurotoxin and a cardiotoxin, to paralyze their victims.
text: The venom contains both neurotoxins and cardio toxins.