question: "The sack of potatoes had been placed below the bag of flour, so it had to be moved first." is true.
So, is "The sack of potatoes had to be moved first." true as well?

prediction: no


question: "The politicians far away in Washington could not know the settlers so they must make rules to regulate them." is true.
So, is "The politicians must make rules to regulate them." true as well?

prediction: yes


question: "Frank was upset with Tom because the toaster he had bought from him didn't work." is true.
So, is "The toaster Tom had bought from him didn't work." true as well?

prediction: no


question: "Always before, Larry had helped Dad with his work. But he could not help him now, for Dad said that his boss at the railroad company would not want anyone but him to work in the office." is true.
So, is "Dad's boss at the railroad company would not want anyone but him to work in the office." true as well?

prediction:
yes