Complex sentence: Like the Seminole s who lost their leader, Osceola when he was captured by deception, under a flag of truce, a century ago, Ava is also betrayed, but survives because of her unique fitness in this strange environment.
Split into simpler sentences: Like the Seminole s who lost their leader, Osceola when he was captured by deception, under a flag of truce, a century ago, Ava is also betrayed. She survives because of her unique fitness in this strange environment.