question: "Fred and Alice had very warm down coats, but they were not enough for the cold in Alaska." is true.
So, is "Fred and Alice were not enough for the cold in Alaska." 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 "They must make rules to regular the politicians." true as well?

prediction: no

question: "We went to the lake, because a shark had been seen at the ocean beach, so it was a safer place to swim." is true.
So, is "The ocean beach was a safer place to swim." true as well?

prediction: no

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

prediction:
no