premise: Rye St Antony School is an independent Roman Catholic boarding and day school for girls aged 3 to 18 and boys up to age 8 in Headington, Oxford, England. It is commonly abbreviated and referred to by both pupils and staff as 'Rye'. Rye is unique as a girls’ independent Catholic school founded by lay women rather than by a religious order.
hypothesis: You must be Roman Catholic to attend Rye St Antony School.
reason: Rye St Antony School is Roman Catholic, but there is nothing that states whether or not you need to practice that religion.