Take the following as truth: 82 "I began to think that there was nothing doing, that he'd just come on the trip for his health, but I remembered that he hadn't changed for dinner, though it was by way of being a slap-up hotel, so it seemed likely enough that he'd be going out on his real business afterwards.
Then the following statement: "He was up to no good on this particular trip.  " is true, false, or inconclusive?
Answer: False