Read the text and determine if the sentence is true:

The National Rehabilitation Hospital (NRH) in Dun Laoghaire, Dublin, is an Irish publicly funded hospital that provides rehabilitation treatment for patients who have a physical or cognitive disability due to illness or injury. Although it is funded by the state the hospital is owned by a Catholic religious order, the Sisters of Mercy.

Sentence: The National Rehabilitation Hospital is a very dirty hospital
It's impossible to say