Task: Question Generation
Input (English): During the First World War, Plymouth was the port of entry for many troops from around the Empire and also developed as a facility for the manufacture of munitions. Although major units of the Royal Navy moved to the safety of Scapa Flow, Devonport was an important base for escort vessels and repairs. Flying boats operated from Mount Batten.
Output (English): What was the primary base of the Royal navy during World War I?