<human>: Question: Who invaded the Archaemenid Empire in 334BC?
Answer: In the middle of the 2nd century BC, the Parthian Empire rose to become the main power in Iran, and the century-long geopolitical arch-rivalry between Romans and Parthians began, culminating in the Roman–Parthian Wars.
 Is the question answered in a satisfactory fashion?

OPTIONS:
- yes
- no
<bot>: no