两个小阴线夹着一根大阳线

You should have guessed who the woman in the coffin is. I just have a question and I want you to help me come up with an idea. The young man said, "Many years ago, her only remaining son asked me to save her, and I agreed." And saving her requires the life of a little phoenix. Tell me, of the two phoenixes I captured, which one should I kill?...