Assertion: fountain pen's ink | /r/HasProperty | liquid
Facets:
value: since the very first writing tools
type: TEMPORAL
value: always
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: They need to be filled with liquid ink before they can be used.
text: The ink that is used is very fluid, which is necessary for the ink to flow by a process known as capillarity.
text: Since the very first writing tools, ink has always been the fluid used to create writing; in fact, ink was used by ‘cavemen’ for their cave drawings too!
text: Fountain pens use liquid ink, so they flow smoother and require less pressure to write.