A women upset with me, What should I do?

A women live in front of my house, Long time ago she is angry with me, what should I do so that don't be angry with me?
I don't know why she is angry with me.
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Earlier she to talk to me well but for some time she is angry with me, she doesn't talk to me like she talk, how should I convince her?
A women upset with me, What should I do?
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