claim: Since 2011, Mamata Banerjee has actively served as Chief Minster of West Bengal.
evidence: Alma is an 1891-built scow schooner , which is now preserved as a National Historic Landmark at the San Francisco Maritime National Historical Park in San Francisco , California .. scow. scow. schooner. schooner. National Historic Landmark. National Historic Landmark. San Francisco Maritime National Historical Park. San Francisco Maritime National Historical Park. San Francisco. San Francisco. California. California