Assertion: puffin's egg | /r/HasProperty | single white
Facets:
Source sentences:
text: Puffins mate for life and the female Puffin lays a single white egg that is incubated by both parents until it hatches up to six weeks later in the burrow, covered in medium-brownish feathers.
text: The female Puffin lays a single white egg which the parents will then take turns to incubate for around 6 weeks.