What are some examples of ill sentences with ambiguous meanings?

Examples of ill-defined sentences are as follows:

1. As a member in charge of sports in the student union, he didn't tell the other party the date of the game as decided by the student union, which led to misunderstanding. ("... decided to release ..." or "... decided not to release ...")

2. The number of visitors to Hangzhou this year is almost less than 906,000, while the total number of visitors to Qiantang River last year was only168,000. ("So far, there are almost less than 906,000 tourists visiting Hangzhou this year. Last year ... the number was ... ")

At the end of Ming Dynasty, the situation of internal troubles and foreign invasion was crumbling. Some people think that Emperor Zhu Youjian of Chongzhen is headstrong and narrow-minded, which is too harsh. ("Some people think that under the circumstances ..., the demise of the Ming Dynasty is ...")

We are brothers and sisters after hardships. How can I leave my disabled brother to see a wonderful performance on this Mid-Autumn Festival night? ("Go with my brother …" or "Go alone with my brother …")

5. When the roots and stems of corn or Murong grass grown in the soil with high gold content are burned into ashes, gold can be extracted from each ton of ashes10g. (Remove "essence")

6. "Joy", whose real name is Zhao Xile, is a natural optimist. He is a famous clown in the whole class and even the whole school. His jokes are endless. ("... clown, about him ..." or "clown, he is full of jokes ...")