Choose from options: Determine if the sentence is true based on the text below:
Sergei Avdeyev was on board the Mir space station in 2001.

Cosmonaut Sergei Avdeyev, currently on board the Mir space station, has become the person with the longest total stay in space. He has clocked up 681 days.
Pick from:
- Yes.
- It's impossible to say.
- No.
It's impossible to say