Assertion: marimba's resonator | /r/CapableOf | amplify their sound
Facets:
Source sentences:
text: Resonators or pipes suspended underneath the bars amplify their sound.
text: The resonators used to amplify the sound have different lengths on the xylophone and marimba.
text: Resonators or pipes suspended underneath the bars amplify their sound.
text: Resonators or pipes suspended underneath the bars amplify their sound.