Assertion: mummy sleeping bag | /r/HasAspect | better warmth
Facets:
value: because of smaller space
type: CAUSE
value: in terms of shape
type: OTHER
Source sentences:
text: In terms of shape, mummy sleeping bags have better warmth because of smaller space and the same quality of sleeping bags, but the mummy sleeping bags can not be spliced together, which also limits its practicability.