It may be a Hyperbole or Satire. Since sawing someone's leg off is likely to be exaggerated, it may be a Hyperbole.
At the same time, depending on the context of this sentence, it may be said for the purpose of humour, so Satire.
Hyperbole seems more probable in my view. :)
The correct answer for the given question above would be option 4. Based on the given lines above as spoken by Antigone, the theme that these lines reveal is FAMILIAL LOYALTY. Hope this is the answer that you are looking for.
C towards that understanding
Can you please provide background information to your story? There can be no information created with the paragraph listed. Please let me know when you’ve done that and I’ll be happy to help!