Task: Question Answering
Input (English): Question: John weighs twice as much as Susan. Susan's weight is 60% of Sam's weight. Mark weighs 50% of Lynn's weight. Lynn weighs 170% of John's weight. Which of these 5 people weighs the least?

 Option A: John

 Option B: Susan

 Option C: Sam

 Option D: Mark

 Option E: Lynn
Output (English): Option B