Tell which of these musicians is a guitarist or a bassist:  Eddie Van Halen, Nikki Sixx, Steve Harris, Billy Sheehan, Steve Vai, Joe Satriani, Matthias Jabs, Jimmy Bain, Mick Mars, Vivian Campbell, Angus Young
Eddie Van Halen - Guitarist
Nikki Sixx - Bassist
Steve Harris - Bassist
Billy Sheehan - Bassist
Steve Vai - Guitarist
Joe Satriani - Guitarist
Matthias Jabs - Guitarist
Jimmy Bain - Bassist
Mick Mars - Guitarist
Vivian Campbell - Guitarist
Angus Young - Guitarist
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
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Answer the following query.
Tell which of these musicians is a guitarist or a bassist:  Eddie Van Halen, Nikki Sixx, Steve Harris, Billy Sheehan, Steve Vai, Joe Satriani, Matthias Jabs, Jimmy Bain, Mick Mars, Vivian Campbell, Angus Young

user
Eddie Van Halen - Guitarist
Nikki Sixx - Bassist
Steve Harris - Bassist
Billy Sheehan - Bassist
Steve Vai - Guitarist
Joe Satriani - Guitarist
Matthias Jabs - Guitarist
Jimmy Bain - Bassist
Mick Mars - Guitarist
Vivian Campbell - Guitarist
Angus Young - Guitarist
assistant