Assertion: endoscope's source | /r/CapableOf | transmit light
Facets:
value: through the tube
type: MANNER
Source sentences:
text: The endoscope consist of a fiber optic tube that is usually flexible, but may sometimes be rigid; a tiny camera at the end of the tube; a light source outside the body to transmit light through the tube, thus illuminating the organ or cavity; and a second channel, which the doctor can use in case a biopsy or any other intervention is necessary.