Assertion: box turtle's shell | /r/HasProperty | soft
Facets:
Source sentences:
text: In the first year or two, baby box turtles do not have this ability and their shell is still soft and vulnerable.
text: Box turtles have soft shell until the age of 7 years.
text: Since the shell of baby box turtles is soft and they do not have the ability to retract into their shell, most of them become prey of birds, wild animals or even other adult turtles who feed on them.
text: The shell may be soft, may appear "lumpy" or strangely bumpy or may no longer be symmetrical.