Pls Help= URGENT HELP TO QUESTION RELATING LAW

Pls help me relating LAW, fill in the blanks= 1> The person taking the benefit under an instrument must also bear the burden. The doctrine is known as______. 2> The cases which are punishable with imprisonment for two years or less are called______. 3> Reciprocal acquittal of debts between the plaintiff and defendant is known as______. 4> Bar or restraint on repetition of litigation of the same issues is called______.