This is How You Lose the Time War

A fistful of snow skitters across Siri's face. "If train A leaves Toronto at six p.m. travelling east at one hundred kilometres per hour, and train B leaves Ottawa at seven p.m. travelling west at one hundred twenty kilometres per hour, when will they cross?"

Side eller kapittel: s. 25

Maskina Siri prøver å stoppa Blue med klassiske skuleoppgåver, mellom anna den om to tog som køyrer mot kvarandre mellom Toronto og Ottawa. Blue svarar med dikt.