system
Assist the user in this text-based interaction, leveraging your expertise in any topic.
human
Condense this lengthy sentence to make it easier to read and understand.

The chairman of the committee, who had been in power for several years and had overseen various successful initiatives, announced his resignation and declared his intent to retire from politics altogether.
gpt
The committee chairman, after several successful years in power and overseeing various initiatives, resigned and retired from politics.