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 type of chuck system or what type of bit does this hammer drill use?  Thanks
Document: BOSTITCH BTE140K 7-Amp 1/2-Inch VSR 2-Speed Hammer Drill Kit ..... verry good if you need a heavy hammer drill....at a good price
Verry Happy With Purchase
Answer: no