Assertion: star | /r/CapableOf | use letter
Facets:
value: to the coolest
type: TRANSITIVE-OBJECT
Source sentences:
text: Stars are classified in this system using letters O, B, A, F, G, K, and
text: Most stars are currently classified under the Morgan Keenan System using the letters O, B, A, F, G, K, and M, a sequence from the hottest: O type, to the coolest: M type.