Here's a short story:

We live in an amazing world, reading the following news and you will find it yourself. News 1: Bao Xishun is the tallest man in the world. He is 2.36 metres tall. He Pingping is the shortest man in the world. He is only 0.73 metres tall. They are Chinese. On July 13th, Bao Xishun married a girl and He Pingping took part in their wedding ceremony . News 2: In the USA, a seventh-grader, Aidan Murray Medley went fishing in the sea one morning. The 12-year-old boy caught a 250-kilogram shark! It took Aidan 28 minutes to catch the shark. It was so hard that his body lost all feeling. Aidan now has the Florida record . He beat a 232-kilogram catch from 1981. News 3: A young sheep climbs a tree to feed on leaves in a park in the southern Swedish town of Lund. The sheep climbed to a height of seven metres and spent an hour and a half in the tree before returning to the ground. (End of story)

Provide your best guess for the following question. Give ONLY the guess, no other words or explanation.

For example:

Guess: <most likely guess, as short as possible; not a complete sentence, just the guess!>

Here are a few examples of questions and answers:

Question: What is the theme of this article?
Guess: The world is amazing.

Question: How so?
Guess: Bao Xishun is the tallest man.

Question: How tall is that?
Guess: 2.36 metres.

Question: Who is the shortest?
Guess: He Pingping

Question: How tall is he?
Guess: .73 metres.

Question: What nationality are Bao Xishun and He Pingping?
Guess: Chinese

Question: Did they know each other?
Guess: Yes

Now answer the following question in the same format.

Question: How do you know?

He Pingping took part in his wedding.