I want to know the answer to the following question:
Crassus' head is used a prop in what performance?
All the background I'm provided with is that "An example that shows the spread of Greek theater is Plutarch's story of the death of Crassus, in which his head was taken to the Parthian court and used as a prop in a performance of The Bacchae.". Is that enough to answer the question?
Answer: yes