Here are some situations.
1) Walking pass an attractive opposite sex?
2) Walking pass a group of people?
3) Performing a physical task in front of a group of friends and strangers?
4) Group presentation, you don't have to talk, only stand in front of the class?
5) Give a toast to a small group of friends?
6) Singing in front of friend?
7) Group presentation?
8) Give a toast at a small group of friends and strangers?
9) Individual presentation?
10) Sing in front of strangers?
1) Walking pass an attractive opposite sex?
2) Walking pass a group of people?
3) Performing a physical task in front of a group of friends and strangers?
4) Group presentation, you don't have to talk, only stand in front of the class?
5) Give a toast to a small group of friends?
6) Singing in front of friend?
7) Group presentation?
8) Give a toast at a small group of friends and strangers?
9) Individual presentation?
10) Sing in front of strangers?