Which of the following statements is an opinion?
A. Fries made from sweet potatoes are the best.
B. In my experience, sweet potatoes are usually more expensive and harder to find than white potatoes.
C. We should try harder to conserve how much water we use each day because research shows that it takes a lot of energy and money to filter it for safe use.
D. Sweet potatoes provide 400% of your daily requirement of vitamin A.
