Pls help According to the Christian Church, what is Purgatory?

Question 3 options:

Purgatory is the physical place where the people can purge their worldly belongings to be ready to become monks or nuns.

Purgatory is living with illness, disease or poverty while on Earth so that after you die you go straight to Heaven.

Purgatory is the spiritual place where you can make a choice about what happens next.

Purgatory is the spiritual place after death where sinners are punished for their sins to be purified for Heaven.