Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] Assertion: Ab initio gene finding algorithms that predict protein coding genes in eukaryotic genomes are not completely accurate. Reason: Eukaryotic splice sites are difficult to predict.

• A. Both [a] and [r] are false
• B. [a] is true but [r] is false
• C. Both [a] and [r] are true and [r] is the correct reason for [a]
• D. Both [a] and [r] are true but [r] is not the correct reason for [a]