Read this: In Arabic-speaking cultures, two words are commonly used for Christians: Nasrani (), plural Nasara () is generally understood to be derived from Nazareth through the Syriac (Aramaic); Masihi () means followers of the Messiah. The term Nasara rose to prominence in July 2014, after the Fall of Mosul to the terrorist organization Islamic State of Iraq and the Levant. The nun or the first letter of Nasarawas spray-painted on the property of Christians ejected from the city.

What was spray pained on the properties of Christians who left the area?
What is the answer? (If it cannot be answered, return "unanswerable")
the first letter of Nasara