Assertion: comet's rock | /r/HasProperty | photographed on mars
Facets:
value: into an animal
type: OTHER
value: into artefact
type: OTHER
Source sentences:
text: The obsession with turning any unusual rock photographed on Mars into an animal or artefact, and viewing any speck of light or object captured by spacecraft cameras as alien spaceships is part of our need to believe that we are not alone.