Assertion: hoatzin's relationship | /r/HasProperty | uncertain
Facets:
value: especially
type: DEGREE
value: even today
type: TEMPORAL
Source sentences:
text: The exact relationship of the hoatzin to other birds is uncertain.
text: Relationships between the orders is unclear.
text: Found in the rainforests of South America, the Hoatzin was once believed to be a “living fossil”, and, even today, its exact relationship to other birds is uncertain.
text: Although the evolutionary relationships between the Megapodiidae are especially uncertain, the morphological groups are clear: