Input (grade 9): but the surviving documents provide no basis for speculating why the elder brother or brothers were passed over.Ponsonby-Fane, p. 29; Varley, p. 89.
Output (grade 8): but the surviving documents provide no basis for making guesses about why the elder brother or brothers were passed over.Ponsonby-Fane, p. 29; Varley, p. 89.