How to create single Services Contract for multiple Services Warranty lines.

Hi,

AS per requirement, How can create a single Service contract in "Service Contract Module".The requirement are as follows.

1 > First Service Line against a serviceable item which duration is for "one year".

2 > second Service Line against another serviceable item & which duration is for " two year".

3 > Third Serviceable line against another new serviceable item & which duration is for "five year".

So, how can i crate a single services contract with a three different services lines and which have different duration,It can be possible the service contract expiration is dependable on lines not on header level.

Thanks in Advance,

Regards,