premise: Edwin John Ellis (1848 – 1916) was a British poet and illustrator. He is now remembered mostly for the three-volume collection of the works of William Blake he edited with W. B. Yeats. It is now criticised, however, for weak scholarship, and preconceptions.
hypothesis: W.B. Yeats lived longer than Edwin John Ellis
reason: We only know that they were contemporaries, nothing about their life times. For all we know, Yeats must have died before Ellis. This is a hard to deduce question, so the machine cannot answer what it doesn't know.