def host(self):
_id = None<EOL>for participant in self['<STR_LIT>']:<EOL><INDENT>if participant['<STR_LIT:type>'] == '<STR_LIT:host>':<EOL><INDENT>if set(['<STR_LIT>', '<STR_LIT:id>']) < set(participant):<EOL><INDENT>if participant['<STR_LIT>'] == '<STR_LIT>':<EOL><INDENT>_id = participant['<STR_LIT:id>']<EOL>if _id is None:<EOL><INDENT>continue<EOL><DEDENT>return self.committees_dict.get(_id)<EOL><DEDENT><DEDENT>else:<EOL><INDENT>return participant['<STR_LIT>']<EOL><DEDENT><DEDENT><DEDENT>
Return the host committee.