question: Who comes to the aid of the Dwarves to fend off the Orc army ?
answer: The Great Eagles then arrive with Radagast and Beorn to fight the newly arriving Orc army
turker_answer: To the aid of the Dwarves to fend off the Orc army , the Great Eagles then arrive with Radagast and Beorn to fight the newly arriving Orc army .
rule-based: The Great Eagles then arrive with Radagast and Beorn to fight the newly arriving Orc army comes to the aid of the Dwarves to fend off the Orc army .