Passage Summary: Music is easy to memorize because of its repetitive patterns; jokes make us feel emotions just like music does, but they are still hard to remember because they lack those helpful patterns.

Conclusion: Jokes are generally difficult to remember despite the emotional response they trigger.

Reasoning: The brain remembers information best when it is attached to repeated melodic or rhythmic patterns, which music provides but jokes typically do not.

Analysis: This 'Complete the Argument' task requires us to find the missing distinction between music and jokes. The stimulus establishes that 'repeated patterns' are the key to memory, and while jokes share the 'emotional response' trait with music, the 'However' indicates they must lack the primary memory aid. Look for an answer that states jokes do not typically possess the rhythmic or melodic patterns that the brain requires for easy recall.