Assertion: idiom's word | /r/CapableOf | create frame
Facets:
Source sentences:
text: The first word creates a frame in which the second appears, as in bread and butter (you first need bread to put the butter on), chapter and verse (you first find the chapter and then the verse in that chapter), and cloak and dagger (you first only see the cloak and then – perhaps too late – the dagger).