Assertion: tricycle | /r/MadeOf | a metal seat frame
Facets:
Source sentences:
text: The velocipede consisted of a metal seat frame upon which were attached two or three wheels.
text: The velocipede consisted of a metal seat frame upon which were attached two or three wheels which allowed someone sitting on the seat to propel themselves forward at considerable speeds by moving their feet along the ground in a fast walking or running motion.