Problem Below is the schedule for two transactions T1 and T2. Please briefly explain whether each transaction satisfies two-phase locking protocol Your grade depends on both your answer and explanation. Each line is an operation starting with the transaction the operation belongs to. Lock-X(o) means request an exclusive lock on o. Lock-S(o) means request a shared lock on o Unlock(o) means release the lock it holds on o T1 Lock-X(A Read(A T2 Write(A Lock Rea B: B+50 Write(B Unlock(A Lock-S(A Read(A Unlock(A Lock-S Read(B Unl