What does the following procmail configuration section do?

:0fw

* < 256000

| /usr/bin/foo

A.
procmail sends all email older than 256000 seconds to the external program foo

B.
If an email contains a value less than 256000 anywhere within it, procmail will process the email with the program foo

C.
procmail sends mail containing less than 256000 words to program foo

D.
The program foo is used instead of procmail for all emails larger than 256000 Bytes

E.
If the email smaller than 256000 Bytes, procmail will process it with the program foo