A Perfect Dead Lock Example...
Boss said to secretary: For a week we will go abroad, so make arrangement.Secretary make call to Husband: For a week my boss and I will be going abroad, you look after yourself.Husband make call to secret lover: My wife is going abroad for a week, so lets spend the week together.Secret lover make call to small boy whom she is giving private tuition: I have work for a week, so you need not come for class.Small boy make call to his grandfather: Grandpa, for a week I don't have class 'coz my teacher is busy. Let's spend the week together.Grandpa(the 1st boss ;) ) make call to his secretary: This week I am spending my time with my grandson. We cannot attend that meeting.Secretary make call to her husband: This week my boss has some work, we canceled our trip.Husband make call to secret lover: We cannot spend this week together, my wife has canceled her trip.Secret lover make call to small boy whom she is giving private tuition: This week we will have class as usual.Small boy make call to his grandfather: Grandpa, my teacher said this week I have to attend class. Sorry I can't give you company.Grandpa make call to his secretary: Don't worry this week we will attend that meeting, so make arrangement .
This is called a DEADLOCK