I will wait until she is not angry,tell her some jokes ,make her happy,comfort her,then tell her calm down or chat with her,melting her iceberg of uncomfortable feelings.
I can wait till she is not angry, and tells some jokes to tease her happy to be able to comfort her, tells her to be supposed to put the mood tranquil or and she said some intimate speeches, comfort her worry the mood.
I would tell some joks to make her happy when she is sad. And tell her to calm down and say something from my heart with her,in order to keep her from sadness.
I will wait until the time she was not angry, say something funny joke and she will be glad to comfort her, told she should take a calm mood, or put her to say something good, then, to appease the feelings of her troubles