With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Avatar: The Last Airbender's episodes were referred to as "books" on the show.
text_B: The MV Kalama was a Skagit / Kalama Class ferry operated by Washington State Ferries -LRB- WSF -RRB- .. Skagit / Kalama Class ferry. Skagit / Kalama Class ferry. Washington State Ferries. Washington State Ferries. The Sagit and Kalama were constructed in 1989 at Halter Marine in New Orleans , Louisiana .. Along with the Skagit , she operated the Seattle-Vashon Island passenger-only service .. Seattle. Seattle, Washington. Vashon Island. Vashon, Washington. In 2006 WSF was directed to end its passenger-only service , and in 2011 the Kalama and Skagit were sold .. The vessels were transported to Tanzania to provide service between the mainland and Zanzibar .. Tanzania. Tanzania. Zanzibar. Zanzibar. Kalama was ordered taken out of service by the Zanzibar government after the loss of Skagit in 2012 .. Zanzibar. Zanzibar
not_related.