What is a folktale simply summarized in 20 words?

Folk tales simply summarize the content of the 20 words:

1, Cowherd and Weaving Maiden:

The seven fairies went down to the earth to take a bath, Dong Yong stole the old seven feathered clothes, the old seven was forced to stay behind to marry Dong Yong. The small life is not bad, but also had two children. Later, the Queen Mother took the old seven back, Dong Yong chased to Heaven. The Queen Mother drew a heavenly river between them, preventing them from seeing each other． The magpies couldn't stand it anymore, so they built a magpie bridge to let them meet each year on the eve of the seventh day of the seventh month.

2. Meng Jiangnu Weeps at the Great Wall:

(Let me emphasize that the correct translation of Meng Jiangnu is the eldest daughter of the old ginger family.) The eldest son-in-law of the old ginger family was captured by Emperor Qin Shi Huang to build the Great Wall, and didn't come back home for a long, long time, and then she went to look for it, and when she didn't find it, she cried. As a result, a section of the Great Wall collapsed as a result of her crying, revealing her husband's body.

3, White Snake:

White Snake cultivated into a spirit, under the name of Mei Niang to find the life-saving benefactor of the previous life to be in return. The two of them that day lived quite well, and had a son. Later, a monk came to Xu Xian and said that your daughter-in-law is a demonic spirit, and that drinking Xionghuang wine would reveal her original form. Xu Xian was afraid, so he tried what the monk said, and found that his daughter-in-law was really a white snake spirit. Xu Xian begged monk Fa Hai to take away the white snake. Xu Xian himself, in order to save his life, also became a monk, and went around making fortunes, repairing the Leifeng Pagoda.

4. Liang Shanbo and Zhu Yingtai:

Liang Shanbo and Zhu Yingtai were classmates and fell in love freely. Liang Shanbo was a poor boy, Zhu Yingtai's family had some money. So Zhu Yingtai's family disagreed and engaged Zhu Yingtai to a rich family. When Liang Shanbo found out about it, he was sad and suffocated in his heart, and then he got sick and died. When Zhu Yingtai found out, she jumped into Liang Shanbo's grave and committed suicide on her wedding day. Miraculously, two butterflies flew out from the grave.