Assertion: ballpoint pen's point | /r/CapableOf | leave behind ink
Facets:
Source sentences:
text: Ballpoint pen is a pen that has, as its name says, ball at its point which rotates when dragged across the writing surface and leaves behind ink that comes from the reservoir of the pen.
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.