Assertion: coffee's caffeine | /r/SimilarTo | adenosine
Facets:
value: chemically
type: MANNER
Source sentences:
text: Caffeine resembles adenosine and binds to its receptors in the brain making sure you are awake and alert.
text: Chemically, caffeine looks a lot like adenosine, a "slow-down" brain chemical associated with sleep and relaxation of blood vessels.