How many strings are on a guitar?
Standard guitars contain 6 strings: (high) E, B, G, D, A, and (low) E are the notes associated with the 6 strings.
Instruction: How many strings are on a guitar?
Context: 
Response: Standard guitars contain 6 strings: (high) E, B, G, D, A, and (low) E are the notes associated with the 6 strings.