Which statement would produce a tautology?

Tautology is when something is repeated in a sentence but using different words. It can be used to enrich the sentence but also it can be needless repetition.

5 statements that would produce a tautology:

1. Lets order a toast sandwich. 
2. In my opinion, I think he is right. 
3. The Gobi is a very dry desert.
4. The hurricane hit in 3 p.m. in the afternoon. 
5. Don't worry, everything is well and good.

The year before the 10s so it was like when caveman were alive

Wow. that is a really cool question.