With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Natalie Portman is in the Star Trek prequel trilogy.
text_B: The Mamertines -LRB- Mamertini `` sons of Mars '' -RRB- were mercenaries of Italian origin who had been hired from their home in Campania by Agathocles -LRB- 361 -- 289 BC -RRB- , Tyrant of Syracuse and self-proclaimed King of Sicily .. mercenaries. mercenary. Italian. Italy. Campania. Campania. Agathocles. Agathocles of Syracuse. Tyrant. Tyrant. Syracuse. Syracuse, Italy#Greek period. Sicily. Sicily. After Syracuse lost the Third Sicilian War , the city of Messana was ceded to Carthage in 307 BC .. Syracuse. Syracuse, Italy#Greek period. Third Sicilian War. Third Sicilian War. Messana. Messina. Carthage. Ancient Carthage. When Agathocles died in 289 BC he left many of his mercenaries idle and unemployed in Sicily .. mercenaries. mercenary. Agathocles. Agathocles of Syracuse. Sicily. Sicily. Most of them returned home but some liking the climate and the prospect of adventure on a foreign island remained .. They played a major role in the lead up to the First Punic War .. First Punic War. First Punic War. In 280 BC , the Syracusans appealed to King Pyrrhus of Epirus for help against the Mamertines .. Pyrrhus. Pyrrhus of Epirus. Epirus. Epirus ( ancient state )
not_related.