One father prepared jobs for his son.But his son always bankrupted the jobs.At last he decided to open a sausage factory for his son.He took his son to the factory and described the preparation of the sausage like this.
Father: Look at here my son.From the left part of the machine you put the bull and from the right part of the machine you get the sausage.Is it clear?
Son: Ah yes Dad.It seems simple.But I have a question.If I put the sausage from the right part of the machine will I get the bull from the left part of the machine?
Father: No my poor son.Only your mother has that technology.
Father: Look at here my son.From the left part of the machine you put the bull and from the right part of the machine you get the sausage.Is it clear?
Son: Ah yes Dad.It seems simple.But I have a question.If I put the sausage from the right part of the machine will I get the bull from the left part of the machine?
Father: No my poor son.Only your mother has that technology.