['entailment']
They all declared unanimously that it was certainly not his hand-writing, and gave it as their view that it might be that of the prisoner disguised. 
כולם הצהירו פה אחד שזה בוודאי לא כתב ידו, ונתנו את דעתם שזה עשוי להיות של האסיר בתחפושת. 
They all agreed that it was not his hand writing, but possibly someone else.
כולם הסכימו שזו לא כתב ידו, אלא אולי של מישהו אחר. 