document.write( "Question 1025139: \"There is a chat group of 6 friends: Andy, Benny, Cindy, Danny, Elisa and Fabio. They are close to the group but not necessarily everyone is close to everyone.
\n" ); document.write( "It is known that if two friends are close friends, they send private message to each other outside the group.
\n" ); document.write( "

Algebra.Com's Answer #640436 by ikleyn(52803)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Thanks for letting us know.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );