Assertion: calving | /r/HasProperty | natural process
Facets:
Source sentences:
text: Calving is a natural process which normally takes place without help.
text: Calving, or birthing of a calf, is a natural process that is divided into three stages (I, II, and III), and under normal conditions, calving progresses gradually from one stage to the next.2,8,9 Stage I is characterized by dilation of the soft tissues of the birth canal, including the ligaments of the pelvis, cervix, and vulva.