determine which statements are claims from passage and which are counter-claim:.

-Cell phones prevent walker or runners from hearing danger approaching
-Cell phones can even improve retention with music as a memory aid
-Cell phones are a constant distraction in the academic classroom
-Cell phones can be useful in classes that require significant amounts of silent work: art or creative writing classes, for example
-Cell phones create anti-social behavior preventing the development of the art of conversation

Claims:

- Cell phones prevent walker or runners from hearing danger approaching
- Cell phones are a constant distraction in the academic classroom
- Cell phones create anti-social behavior preventing the development of the art of conversation

Counter-claims:
- Cell phones can even improve retention with music as a memory aid
- Cell phones can be useful in classes that require significant amounts of silent work: art or creative writing classes, for example