>>There are three men on a deserted island.
>>The men on the island are either Red or Blue.
>>
>>Red people always tell lies.
>>Blue people always tell the truth.
>>
>>A ship comes to rescue them and the captain of the ships shoult to the men, "We will only rescue Blue people."
>>
>>Man A says, "I'm blue and those two are "red".
>>Man B says something but it was blown away with the wind.
>>Man C Says, "B said he's Blue. That's true. I'm blue too."
>>
>>Which of the three men should take if he wants just blue people and why?
>
>He should take B & C. A told the false (e.g. he is actually red and other two are blue). C said the truth.

That's mostly correct, but what exactly about C's statement makes it the truth?