Five balls are in a row from left to right. The yellow ball is at the end of the row. The green ball is next to the yellow ball. The orange ball is two positions to the left of the green ball. The...

Five balls are in a row from left to right. The yellow ball is at the end of the row. The green ball is next to the yellow ball. The orange ball is two positions to the left of the green ball. The blue ball is to the right of the red ball, but not next to it. Which ball would be in the center of the row?