She takes a month to get a 1st class return (5)

I believe the answer is:

maria

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'month to get a 1st class return' is the definition.
I can't tell whether this defines the answer.

'she takes a' is the wordplay.
'she' becomes 'mari' ().
'takes' means one lot of letters go next to another.
'mari'+'a'='MARIA'

Can you help me to learn more?

(Other definitions for maria that I've seen before include "Italian Mary" , "Black --, -- Theresa" , "Lunar plains; girl's name" , "Black --, police van" , "(Of plant) become limp" .)

I've seen this clue in the Evening Standard.

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