How to Use "coincidental" with Example Sentences

1. America insisted this was coincidental and that the exercises had long been planned .
2. The timing was coincidental . Yet the two men have something in common .
3. That could be coincidental but it suggests that the planet 's cooling may have triggered the split .
4. I find it a little coincidental that google updates the google maps app right before a big press event .
5. The first story ran on li 's 40th birthday , timing that no one at baidu dismissed as coincidental .