Assertion: caffeine | /r/HasSubevent | regulation
Facets:
value: sometimes
type: TEMPORAL
value: later also
type: TEMPORAL
Source sentences:
text: Because it was recognized that coffee contained some compound that acted as a stimulant, first coffee and later also caffeine has sometimes been subject to regulation.
text: Because it was recognized that coffee contained some compound that acted as a stimulant, first coffee and later also caffeine has sometimes been subject to regulation.