Assertion: comet's time | /r/HasProperty | ancient
Facets:
Source sentences:
text: Comets have been observed and recorded since ancient times by many cultures.
text: Comets have been observed and recorded since ancient times by many cultures.
text: Comets have been observed since ancient times and have traditionally been considered bad omens.
text: Comets have been observed and recorded since ancient times by many cultures.