Assertion: master bedroom's window | /r/CapableOf | make sure
Facets:
Source sentences:
text: Lastly, the open windows make sure that the room stays bright and airy every day.
text: The big windows and ceiling lights make sure that room remains brightly lit at all hours.
text: Make sure it is free of dust and dirt, the bed is made, the windows are spotless and all the lights work.