Q: In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Context: When Italy entered World War I, on 24 May 1915, Tur was the executive officer of the destroyer Irrequieto. He soon obtained his first command, a torpedo boat Link Information: and by the time of the Russo-Japanese War in 1904, these "torpedo boat destroyers" (TBDs) were "large, swift, and powerfully armed torpedo boats designed to destroy other torpedo boats" Question: Of the two vessels Tur served on in 1915, which type is usually smaller?
A:
Answer: Torpedo boat