prompt: How is a rainbow formed?
chosen: How is a rainbow formed?
chosen: user
chosen: Rainbows are formed when sunlight reflects off the back of raindrops. The red light scatters in the longest distance, followed by orange, yellow, green, blue, indigo and finally violet in the shortest distance. The colors are then visible to the human eye in the form of a rainbow.
chosen: assistant
rejected: How is a rainbow formed?
rejected: user
rejected: assistant