Task: Question Answering
Input (English): Context: Ptolemy V Epiphanes (Ancient Greek: , Ptolemaios Epiphanes, reigned 204--181 BC), son of Ptolemy IV Philopator and Arsinoe III of Egypt, was the fifth ruler of the Ptolemaic dynasty. 
 Question: What was the name of Ptolemy V Epiphanes mother?
Output (English): arsinoe iii of egypt