Assertion: cannibalism | /r/HasProperty | suspected as possible cause
Facets:
value: from the very beginning
type: TEMPORAL
Source sentences:
text: "  Cannibalism was suspected as a possible cause from the very beginning but wasn't formally put forth as a theory until 1967 by Glasse and more formally in 1968 by Mathews, Glasse, & Lindenbaum.