证明BCNF范式

Question

请考虑以下表格架构和     R（P，C，L，A，I，T）

P -> C, L, A, I, T

C, L -> P, A, I, T

C -> T

A-> P

A -> C

Find all candidate keys.

Determine the above relation in what normal form?
If not in `BCNF`; convert it to `Bcnf`