Assertion: copperhead's tail | /r/HasProperty | lost by age
Facets:
Source sentences:
text: Young copperheads are grayer in color compared to adults and have a sulfur yellow-tipped tail, which fades over time and is lost by age 3 or 4.
text: They have a sulfur yellow tipped tail, which fades with age and is lost by age 3 or 4.