Assertion: electric organ's keyboard | /r/HasProperty | equipped with included ac adapter
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Power supply : Keyboards may or may not have an internal power supply system built to the main circuit board, but most modern keyboards are often equipped with an included AC adapter.
text: : Keyboards may or may not have an internal power supply system built to the main circuit board, but most modern keyboards are often equipped with an included AC adapter.