- Food is a kind of substance
- Candy is a kind of food
- So, candy is a kind of substance

- Candy is a kind of substance
- A thermometer is used to measure temperature of substance
- Therefore, a thermometer is used to measure the temperature of the candy

Hence, a thermometer is used to measure the temperature of the candy
Q: Sally is making candy on the stove. She places a thermometer in the candy. What is she measuring?
Context:
- Food is a kind of substance 
- A thermometer is used to measure temperature of substance 
- Candy is a kind of food