Assertion: carolina parakeet's extinction | /r/HasProperty | somewhat of a mystery
Facets:
Source sentences:
text: The final extinction of the species in the early years of the 20th century is somewhat of a mystery, as it happened so rapidly.
text: Nevertheless, the final extinction of its species is somewhat a mystery due to its rapid disappearance in the early years of the 20th century.
text: The final extinction of the species is somewhat of a mystery, but the most likely cause seems to be that the birds succumbed to poultry disease, as suggested by the rapid disappearance of the last, small, but apparently healthy and reproducing flocks of these highly social birds.
text: The final extinction of the species is somewhat of a mystery, but the most likely cause seems to be that the birds succumbed to poultry disease, as suggested by the rapid disappearance of the last, small, but apparently healthy and reproducing flocks of these highly social birds.