Assertion: plesiosaur's vertebra | /r/HasProperty | sealed in bucket
Facets:
value: to avoid fish contamination
type: PURPOSE
Source sentences:
text: Although it is fortunate that Yano thought to take tissue samples, had he or others on board saved the animal's head or even a vertebra (which could have been sealed in a bucket or other container to avoid fish contamination), much time, effort, and speculation could have been avoided.