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 DEAD LOCK……….CLEAR??