Assertion: tooth's enamel | /r/HasProperty | the hardest substance
Facets:
value: in the whole body
type: LOCATION
Source sentences:
text: Enamel is the hardest substance in the body.
text: Enamel is the hardest tissue in the whole body.
text: Enamel is the hardest substance in the human body and contains the highest percentage of minerals (at 96%), with water and organic material composing the rest.
text: While enamel is the hardest substance in the human body, it is particularly brittle, and unsupported enamel fractures easily.
text: Enamel is the hardest tissue in the whole body.