Assertion: birch's bark | /r/HasProperty | gray
Facets:
value: in color
type: OTHER
value: generally
type: DEGREE
value: on mature trunks
type: LOCATION
Source sentences:
text: The bark is gray in color, has a triangular shape, and coloring at the point where the branch joins the trunk.
text: Bark of the birch can be white, grey, yellow, silver or black in color.
text: The ridged bark is smooth and gray when young and becomes ridged and brown.
text: On mature trunks, the bark is gray and shaggy.
text: The bark is gray and smooth but becomes cracked and shaggy with age.
text: Bark of the birch can be white, grey, yellow, silver or black in color.
text: The bark is generally grey, brown or dark and very scaly.
text: Bark of poplar tree can be white, light green, brownish or grey in color.