Assertion: lignin's role | /r/HasProperty | taken by the straw
Facets:
value: in the case of mud bricks
type: OTHER
value: by the aggregate
type: OTHER
value: in concrete
type: OTHER
value: by the cement
type: OTHER
Source sentences:
text: In the case of mud bricks, the two roles are taken by the mud and the straw; in concrete, by the cement and the aggregate; in a piece of wood, by the cellulose and the lignin.