Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.

Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo, is a grammatically correct sentence using homonyms and homophones to create complicated constructs.

[Those] (Buffalo buffalo) [whom] (Buffalo buffalo buffalo) buffalo (Buffalo buffalo).

[Those] buffalo(es) from Buffalo [that are intimidated by] buffalo(es) from Buffalo intimidate buffalo(es) from Buffalo.

Bison from Buffalo, New York who are intimidated by other bison in their community also happen to intimidate other bison in their community.