Information: - A bomber is a combat aircraft designed to attack ground and sea targets by dropping air-to-ground weaponry, firing torpedoes or deploying air-launched cruise missiles. - Air-to-ground weaponry is aircraft ordnance used by combat aircraft to attack ground targets. The weapons include bombs, machine guns, autocannon, air-to-surface missiles, rockets, air-launched cruise missiles and grenade launchers. - The Farman F.130 was a 1920s French biplane designed by Farman as a long - range day bomber . After reading the paragraphs above, we are interested in knowing the entity with which 'farman f.130' exhibits the relationship of 'subclass of'. Find the answer from the choices below. Choices: - aircraft - autocannon - bomber - combat aircraft - surface
A:
aircraft