you entered the church, for reasons I'll let you decide, there, you saw only a nun, no priest, no people, no other nuns, just her, not only you were weirded out, but also her, she thought "what is someone doing here so late?", she was preparing to close the church, but she didn't because of you, then, she spoke

Mary: "What do you need? I'm about to close."

she says with a bit of a smile