Assignment: One-Time Pad

A number of valid English sentences are encrypted using the same XOR key. Shown below are the encrypted sentences, and you are asked to decrypt them.

AA99BA5B27B55754A2E509C583CA0E206D5455D82F0F1F290BB8 BF8EB31E3CBD4A44EDE55CD59F8F15696B425FD76B041B281AA9 AD87BA1E6AB54D0DEDE51FD4D08514696B5510D56E121D331AA9 A782BA086AB75843A2E513C5D08803697D5F5CD37D060E3E0AA9 A999B00C39B14B0DF5EA0E91988B15696C4353D763060E3E0AA9 BF8EBE5B3EA65C48A2E415DDD0831569645554DF6C0E143A02A9 AF84FF0F22B1400DE9E513C6D0831269604310D72F051B3702B8

It is likely that the solution will require a mixture of automated analysis and guess work. Once you have decrypted the sentences, please write down in the answer sheet the decrypted form of the FIRST sentence given above. Please ensure you use the correct case.