Title: Railway electrification system.
Question: Where in India line has been converted to AC?

Title: PlayStation 3.
Question: What color was the PlayStation 3 that was included in the God of War: Ascension bundle in the States?

Title: United Nations Population Fund.
Question: What was UNFPA accused of contributing to the Chinese program?

Title: Mosaic.
Question:
After what time did the Abbot of Monte Cassino send for Byzantine mosaicists?