Conversion Rensch left two diamond rings for cleaning at Riddle's Mall in Rapid City, South Dakota. Riddle's had advertised free ring cleaning to the public. When Rensch returned for the rings, he found that a clerk had mistakenly given them to another customer. They were never recovered, and Rensch ultimately sued Riddle.

What is the difference between conversion and larceny? Include in your answer "intent" and the possible punishment for each. For the toolbar, press ALT$+$F$10($PC$)$ or ALT$+$FN$+$F$10($Mac$).$