Does the sentence "Teresa has three sons from her previous marriage to Heinz, Henry John Heinz IV, Andre Thierstein Heinz, and Christopher Drake Heinz." provide a valid answer to the question "When did Kerry and Teresa meet?"

A: no

Does the sentence "Morrison warned that he could not counter the Communist unrest unless provision of shelters were made." provide a valid answer to the question "What did Morrison warn he couldn't do?"

A: yes

Does the sentence "The Frankish kingdom in northern Gaul split into kingdoms called Austrasia, Neustria, and Burgundy during the 6th and 7th centuries, all of them ruled by the Merovingian dynasty, who were descended from Clovis." provide a valid answer to the question "What dynasty ruled Neustria?"

A: yes

Does the sentence "Adding various types of vegetables and meats to the diets of Japanese sailors prevented the disease, (not because of the increased protein as Takaki supposed but because it introduced a few parts per million of thiamine to the diet, later understood as a cure)." provide a valid answer to the question "Who made the observation that the Japanese sailor's diet was the cause for them developing beriberi?"

A:
no