You will be given a definition of a task first, then some input of the task.
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.

passage: The Grumman F-14 Tomcat has served with the United States Navy and the Islamic Republic of Iran Air Force (IRIAF). It operated aboard U.S. aircraft carriers from 1974 to 2006 and remains in service with Iran. In-depth knowledge of its service with Iran is relatively limited.
question: are f-14 tomcats still in service?
Output:
Yes