[adgjlsfhk1]

because astronauts being in space isn't a problem. the ISS always has a capsule docked to it in case emergency evacuation is needed

[adolph]

Here lies an hyperboloid argument or Catch-22. It isn't a circular argument because after dipping down to a solution we rebound into ether.

  1.A: Astronauts stranded
  2.B: No they are not stranded, there is an emergency evac capsule
  3.A: Ok, bring them home
  4.B: The emergency evac capsules are the vehicles they arrived on

[adgjlsfhk1]

You have 4. wrong. 4 is It isn't an emergency