In Example 6, we can see speakers using the vague approximatives 'two or three' and 'one or two'.

The National Health Commission reported 1,337 locally transmitted cases in the latest 24-hour period, including 895 in the industrial province of Jilin. A government notice said that police permission would be required for people to leave the area or travel from one city to another.[…] Officials on Sunday locked down the southern city of Shenzhen, which has 17.5 million people and is a major tech and finance hub that borders Hong Kong. That followed the lockdown of Changchun, home to 9 million people in Jilin province, starting last Friday.

The student who had taken a German exam realised his error afterwards. He had used the dative case instead of the genitive case to show possession.

I HAVE laid a wager, with a friend of mine, about the pigeons that used to peck up the corn which belonged to the ants.