Sex Chapathi

one day wife n husband are travelling by train - night time
they have a code for sex - ie chapathi
that night they have chapathi s on board the train
morning the husband asked the wife
which chapathi is the one u liked most
the wife answered the third one
husband i had only 2 chapathi s
the guy sitting in the opposite seat told - the pan (penam) is hot.
so I had one chapathi