Assertion: biome's tree | /r/HasProperty | birch
Facets:
Source sentences:
text: Two deciduous trees mingle throughout southern Siberia: birch and Populus tremula.
text: Common trees of the temperate deciduous forest biome in North America are ash, basswood, birch, cherry, chestnut, dogwood, elm, hickory, magnolia, maple, oak, tulip-tree, and walnut.