Assertion: manganese | /r/HasProperty | silvery-gray metal
Facets:
Source sentences:
text: Manganese is a silvery-gray metal that resembles iron.
text: Manganese is a silvery-gray metal and is part of the group known as the transition metals.
text: Manganese is a silvery-gray metal that resembles iron.
text: Manganese is a silvery-gray metal and is part of the group known as the transition metals.