Are these entities related parties?

Entity A holds shares of entities B and C:

A

B

C

Version (a): B and C are both joint ventures of A.

Version (b): B is a joint venture of A and C is an associate of A.

Version (c): B and C are both associates of A.

Required

Assess whether C is a related party in B”s financial statements and whether B is a related party in C”s financial statements.