Assertion: fountain pen | /r/HasProperty | written
Facets:
Source sentences:
text: Now when you buy a fountain pen it’s important to remember that it needs to be written in and when you write in your fountain pen, it becomes better over time.
text: A fountain pen is a writing instrument equipped with a metal nib (usually solid gold) that utilizes a cartridge, converter, or other internal reservoir in order to provide a continuous and refillable ink supply.