What are two accurate descriptions of a record that has conflict? (Choose two.)

What are two accurate descriptions of a record that has conflict? (Choose two.)
A . A record has three versions and the same attribute in all versions has the same value in only two of the versions.
B . A record has three versions and the same attribute in all versions has different values.
C . A record has two versions and the same attribute in both versions has different values.
D . A record has two versions and the same attribute in one version has a null/empty value and the attribute in the other version has a value.

Answer: B,C