Assertion: ballpoint pen | /r/HasProperty | a type of pen
Facets:
value: according to history of pencils
type: OTHER
Source sentences:
text: The ballpoint pen is a type of pen where the ink is released over a metal ball point.
text: A ballpoint is a type of pen with a tiny metal ball at its very tip.
text: The ballpoint pen is a type of pen where the ink is released over a metal ball point.
text: According to History of Pencils (2018), the ballpoint pen is a type of pen that has a ball at its point, which rotates when dragged across the writing surface and leaves behind ink that comes from the tube of the pen.