Country singer John D'Donoghue died from a heart attack while performing at a music festival in January 2022. After his death the following handwritten letter was found in his papers: \"This is the last will and testament of me, John lO'Donoghue, made before my Australian tour, on the night of2 January 2022. I leave all my worldly possessions to Josie O'Donoghue, my mother, to be divided equally among my family, but with special care and extra help to be given to Mary O'Donoghue, my sister. Also gifts of money to be given to Olivia and her family, and Marian Beard. Smaller gifts to Darren, Ethel, Shane, and Pat O'Brien.\" The letter was signed by John but was not witnessed. John had previously executed a valid will in 29%. In the 20(18 will he left everything to his wife, who has subsequently passed away. His immediate surviving family includes his mother Josie and three sisters. His sister Mary is the youngest of Iheseijml has Down syndrome. John also had four cousins with whom he regularly kept in contact. Their first names are Darren, Ethel, Shane, and Patricia. He has two good musician friends named Olivia and Marian {but he also has an agent named Olivia) No other information was found among J ohn's personal possessions specifying the amounts to be given to each beneciary named in the letter. PART A It} marks : Can the Court admit the letter to probate as an informal will? Identify the relevant law and discuss how it will likely be applied. PART B it] marks : Now assume the letter is admitted to probate, as John's last will and testament. Which principles of construction will the Court apply, in interpreting its terms? Is part or allof the will going to be void for uncertainty