Assertion: chlorophyll | /r/CapableOf | break down in the fall
Facets:
Source sentences:
text: In the fall, however, chlorophyll begins to break down, and the other pigments, which have been there all along, are finally revealed: we see pretty yellow and orange fall leaves.
text: These are only seen when the chlorophyll breaks down like in the autumn, but they are not seen when the chlorophyll comes back like in the spring and summer.