Fact 1: Using cell phones can cause people to become distracted.

Fact 2: People who are distracted are hazards.

Given the two facts above, answer the question "What is something that can be hazardous to use in public?" with the following options: 
- smallpox
 - backpack
 - guide dog
 - influenza
 - protective gear
 - cigarettes
 - smoking
 - cell phones


 

        cell phones 