Definition: In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
Input: passage: Saint Croix (/ˌseɪnt ˈkrɔɪ/; Spanish: Santa Cruz; Dutch: Sint-Kruis; French: Sainte-Croix; Danish and Norwegian: Sankt Croix, Taino: Ay Ay) is an island in the Caribbean Sea, and a county and constituent district of the United States Virgin Islands (USVI), an unincorporated territory of the United States.
 question: is st. croix part of the us virgin islands?

Yes