Premise: Alpha Centauri . Alpha Centauri A ( α Cen A ) has 1.1 times the mass and 1.519 times the luminosity of the Sun , while Alpha Centauri B ( α Cen B ) is smaller and cooler , at 0.907 times the Sun 's mass and 0.445 times its visual luminosity .
Hypothesis: Alpha Centauri has an abbreviation.
Label: ENTAILMENT