Sanjay was a rich and eccentric bachelor who died recently. His validly executed will contained the following dispositions : 1. My Leicester house to my sister Indira absolutely in the hope that she will allow her daughters to live there 2. 1,000 to each of my friends who make a claim within the calendar year following my death 3. The residue of my estate to my trustees Tanita and Tikara, on trust to distribute that at their discretion amongst the good citizens of Leicester and, in the event that there is any doubt as to whether a person is a good citizen of Leicester, the decision of my brother, Rajiv, shall be nal. Advise as to the validity and effect of these dispositions