Assertion: pencil | /r/MadeOf | wood
Facets:
value: with a graphite core
type: OTHER
Source sentences:
text: Pencils are made of wood with a graphite core inside; it is actually the combination of clay and finely grounded graphite, mixed with water and pressed together at high temperatures to make thin pencil rods.
text: They are made of wood with a graphite core inside.
text: The pencils are made of wood, glue, metal, rubber and pure graphite.