The shower's radiant (the place in the sky where most of the meteors appear to be coming from) is in the constellation Gemini which contains the two bright stars Castor and Pollux.
(most of the meteors; appear; L:the sky) (most of the meteors; to be coming; ) (The shower's radiant; is; in the constellation) (the constellation; contains; the two bright stars)
most of the meteors most of the meteors The shower's radiant the constellation
appear to be coming is contains
L:the sky
in the constellation
the two bright stars