Which one of the following pairs is not correctly matched?

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Q: 110 (IAS/2007)
Which one of the following pairs is not correctly matched?

question_subject: 

Science & Technology

question_exam: 

IAS

stats: 

0,29,84,12,64,8,29

keywords: 

{'space shuttle': [1, 0, 1, 1], 'cosmic background explorer': [0, 0, 1, 0], 'space station': [0, 1, 1, 0], 'cobe': [0, 0, 1, 0], 'satellite programme': [0, 0, 1, 0], 'falcon': [0, 0, 0, 1], 'sea cable system': [0, 0, 1, 0], 'discovery': [1, 2, 3, 10], 'atlantis': [0, 0, 1, 1]}

Option 4 is incorrect because Atlantis is not a space station. Atlantis is actually a space shuttle, part of NASA`s Space Shuttle program, involved in conducting various missions including the servicing of the Hubble Space Telescope and delivering several components to the International Space Station.

In other options, Cosmic Background Explorer (COBE) is indeed a satellite programme developed by NASA to measure the diffuse infrared and cosmic microwave background radiation from the early universe.

Falcon, mentioned in option 2, is indeed an undersea cable system.

Similarly, Discovery, as stated in option 3, is one of NASA`s space shuttles.

So, all other options are correctly matched except for the fourth one, marking it as the correct answer.