Assertion: comet | /r/HasAspect | primitive volatile composition
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Source sentences:
text: The team wrote in the research paper published in the journal arXiv: “Comets have a primitive volatile composition that is thought to reflect the conditions present in their formation region in the protosolar disc.
text: Comets have a primitive volatile composition that is thought to reflect the conditions present in their formation region in the protosolar disc,' the researchers wrote in their paper.