Assertion: electric blanket's setting | /r/HasProperty | yes; safety
Facets:
Source sentences:
text: Polyester heated underblanket; Heat settings: 5; Controls: Single/dual; Off timer: Yes; Dual settings: Yes; Safety: Sleep Guardian technology; Dimensions: 135 x 180cm (single), 180 x 180cm (double), 215 x 225cm (king)