Task: Question Answering
Input (English): Question: Nine children, Arya, Betsy, Chen, Daniel, Emily, and Franco, are to be seated in a single row of six chairs. If Betsy cannot sit next to Emily, how many different arrangements of the six children are possible?

 Option A: 240

 Option B: 480

 Option C: 540

 Option D: 720

 Option E: 840
Output (English): Option E