Assertion: sodium carbonate's sodium | /r/HasProperty | soft
Facets:
value: very
type: DEGREE
Source sentences:
text: Sodium is so soft that it can be easily cut with a knife.
text: Sodium at standard temperature and pressure is a soft silvery metal that combines with oxygen in the air and forms grayish white sodium oxide unless immersed in oil or inert gas, which are the conditions it is usually stored in.
text: Sodium is a very soft silvery-white metal .