question: What did the author of Whitehead 's biography comment on the first page regarding the difficulty of obtaining information about Whitehead ?
answer: `` No professional biographer in his right mind would touch him . ''
turker_answer: The author of Whitehead 's biography commented , `` No professional biographer in his right mind would touch him . '' , on the first page regarding the difficulty of obtaining information about Whitehead .
rule-based: The author of Whitehead 's biography comment `` No professional biographer in his right mind would touch him . on the first page regarding the difficulty of obtaining information about Whitehead .