Oat cereal has more fiber than corn cereal but less fiber than bran cereal. Corn cereal has more fiber than rice cereal but less fiber than wheat cereal.
Question: If the first two statements are true, is the third statement 'Of the three kinds of cereal, rice cereal has the least amount of fiber' true, false, or uncertain?
Options:
A. true
B. false
C. uncertain
Answer: A