- Metals usually have higher conductivity than nonmetals
- Metal is an electrical conductor
- Therefore, metal is the material that has a higher conductivity than other materials

- Metal is the material that has a higher conductivity than other materials
- Metal fork is made of metal
- Therefore, metal fork is the best conductor of electricity in this example

Therefore, metal fork is the best conductor of electricity in this example
Question: Some objects conduct electricity. Which object is the best conductor of electricity?
Context: - Metal fork is made of metal 
- Metals usually have higher conductivity than nonmetals 
- Metal is an electrical conductor