question: "Susan knew that Ann's son had been in a car accident, because she told her about it." is true.
So, is "Susan told her about it." true as well?

prediction: no

question: "Tatyana knew that Grandma always enjoyed serving an abundance of food to her guests. Now Tatyana watched as Grandma gathered Tatyana's small mother into a wide, scrawny embrace and then propelled her to the table, lifting her shawl from her shoulders, seating her in the place of honor, and saying simply: "There's plenty."" is true.
So, is "Grandma gathered Tatyana's small mother into a wide, scrawny embrace and then propelled Grandma to the table." true as well?

prediction: no

question: "The donkey wished a wart on its hind leg would disappear, and it did." is true.
So, is "The donkey wished a wart on its hind leg would disappear, and leg did." true as well?

prediction: no

question: "Many people start to read Paul's books and can't put them down. They are gripped because Paul writes so well." is true.
So, is "People are gripped because Paul writes so well." true as well?

prediction:
yes