Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: What is the approximate diameter of the base plate (the part that attaches to the ceiling), and is it the same color as the lamp?
Document: looks awesome. bought four for an industrial type of hallway.
Loved these lights, and they were a fraction of the price of lights I found elsewhere that looked exactly the same. Hard to install, and no help from the directions, so be prepared in that aspect. But once up I couldn't be happier.
Answer: no