Assertion: pen's feature | /r/HasProperty | unique
Facets:
value: for an active pen
type: OTHER
Source sentences:
text: The main difference between an active pen and the input device known as a passive stylus or passive pen is that although the latter can also be used to write directly onto the screen, it does not include electronics and thus lacks all of the features that are unique for an active pen: touch sensitivity, input buttons, etc.