Assertion: stringed instrument's string | /r/MadeOf | metal
Facets:
value: less commonly gut
type: DEGREE
Source sentences:
text: Stringed instrument , any musical instrument that produces sound by the vibration of stretched strings , which may be made of vegetable fibre, metal, animal gut, silk, or artificial materials such as plastic or nylon.
text: Strings may be made of metal or less commonly gut or gut wrapped in metal.
text: The strings are made of metal and in 3 triple courses (although often the second course only has 2 strings).