You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Sentence1: " I am unaware of any genuine entries concerning British servicemen in the police records , " said a spokesman for the British High Commission in Nairobi yesterday ., Sentence2: " I am therefore unaware of any genuine entries concerning rapes by British servicemen in police records , " the spokesman said .
Yes

Sentence1: All patients developed some or all of the symptoms of E. coli food poisoning : bloody diarrhea , vomiting , abdominal cramping and nausea ., Sentence2: Symptoms of the E. coli infection include bloody diarrhea , nausea , vomiting and abdominal cramping .
No

Sentence1: It appears that the machine was cracked using a ptrace exploit by a local user immediately after the exploit was posted on BugTraq . ", Sentence2: " It appears that the machine was cracked using a ptrace exploit by a local user immediately after the exploit was posted , " it added .

Yes