Assertion: black mamba | /r/HasProperty | 4.5 m 14ft 9inof length
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Source sentences:
text: 5.7 m (18ft 8in)), Black mamba (Africa`s longest venomous snake – 4.5 m (14ft 9in) of length), or a Pit viper are sizeable snakes, injecting large portions of venom in one bite.