Take the following as truth: If he lacked imagination, he'd need an older sister whose friends slept over, plus a homemade periscope, assembled at a scout meeting during those interludes when he wasn't being fondled by the scout master, Father O'Finian.
Then the following statement: "He usually spent more than half a day with Father O'Finian." is true, false, or inconclusive?
Answer: Inconclusive