@classmethod<EOL><INDENT>def get_plural(cls, singular_name):<DEDENT>
if singular_name[-<NUM_LIT:1>] == "<STR_LIT:y>" and singular_name[-<NUM_LIT:2>] not in ["<STR_LIT:a>", "<STR_LIT:e>", "<STR_LIT:i>", "<STR_LIT:o>", "<STR_LIT:u>", "<STR_LIT:y>"]:<EOL><INDENT>return singular_name[:-<NUM_LIT:1>] + "<STR_LIT>"<EOL><DEDENT>if singular_name[-<NUM_LIT:1>] != "<STR_LIT:s>":<EOL><INDENT>return singular_name + "<STR_LIT:s>"<EOL><DEDENT>return singular_name<EOL>
Returns the plural name of the singular name

            Certain words are invariant.

            Args:
                singular_name (string): the singular name to pluralize

            Returns:
                The pluralized version of the singular name