Use "pleonasm" in a sentence

1. There was also another pleonasm in the sign I saw, Buffet – all you can eat

2. Today, that has changed so drastically that false advertising appears to be a pleonasm

3. if that’s not a pleonasm, I’m not sure what is – or administrations should never control what goes on the air

4. “false advertising” has become a pleonasm, that is, most are deceptive and nothing but lies

5. Are we talking here about killing for peace? The proper term is irreligious wars, although that appears to be a pleonasm

6. With this in mind, don’t you think that mixed relations is a pleonasm?