question: What affect did Matthews ' opinion of the difficulty of Whitehead 's works have on his interest in them ?
answer: Mathews ' frustration with Whitehead 's books did not negatively affect his interest
turker_answer: Mathews ' frustration with Whitehead 's books did not negatively affect his interest affect did Matthews ' opinion of the difficulty of Whitehead 's works have on his interest in them .
rule-based: Mathews ' frustration with Whitehead 's books did not negatively affect his interest affect did Matthews ' opinion of the difficulty of Whitehead 's works have on his interest in them .