None….
There is no “Red” words in the statement

Also the background and foreground colors…….

17

all equal

Promises

Two as every one has ansered it right

B will tell his halo color,

It can be deduced as if B & C had same colour, A would have told his color easily but he did not tell that means B & C have different color halos.

B can see C halo, so he can deduce his own color easily.

4100

Police did not mention of crime scene in the communication. He reached the correct location of crime and hence was arrested as only murderer could know the place of murder.

12+11= 123