In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Q: Context: .To dispel rumors: US aircraft flying IAW ICAO flight rules in intl airspace was intercepted by Russian fighter in unsafe manner April 7.1/2— U.S European Command (@US_EUCOM) April 11, 2015 Answer: russian fighter

A: who intercepted the iaw icao?
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Q: Context: 32 crew members, incl. 30 Iranians & 2 Bengalese, have gone missing after a Panama-registered oil tanker and a Hong Kong-registered bulk freighter collided off China's east coast on Sat evening. Search and rescue are underway People's Daily,China (@PDChina) January 7, 2018 Answer: 32

A: how many crew members have gone missing after the collision?
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Q: Context: Well done @virginatlantic pilots & team for safe & skillful landing of #VS43. Thoughts with passengers & crew, thanks for support & patience— Richard Branson (@richardbranson) December 29, 2014 Answer: for safe and skillful landing.

A:
why are the virgin atlantic pilots being thanked?
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