A night watchman was attacked when a fuel depot in Netherwich was broken into on 24 December and cash was stolen. A police spokesman said that Bill Sykes, a local man, had been taken into custody on 26 December, and was assisting them with their enquiries into what could only be described as a violent but amateurish crime. It is also known that: Bill Sykes has been living with his girlfriend Nancy. Bill Sykes is the owner of a bull terrier dog. The night watchman was distracted by the barking of a dog, and was hit over the head from behind. Sykes is already under a community service order for demanding money with menaces from his estranged wife. Since 31 December Mrs Sykes has complained that her husband had been pestering her to provide him with an alibi for 24 December.

Question: Bill Sykes broke into the fuel depot and hit the night watchman over the head.
Options:
A. true, B. false, C. uncertain
Answer: "C"