You are presented with the quiz "What is consumed by the most people worldwide?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "grasses supply most of the food consumed by people worldwide" and "rice is a member of the grass family". So, what's the best answer to the question?
OPTIONS:
- fat
- rice
- bamboo
- apples
- dirt
- pork
- food
- sunlight

Answer: rice

You are presented with the quiz "How do you increase the burn rate?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "afire requires oxygen to burn" and "oxygen-enriched air is a fire hazard because the burning rate of combustible materials is increased". So, what's the best answer to the question?
OPTIONS:
- an electric stove
- exercise
- burn wet materials
- friction
- add more oxygen
- decrease amount of fuel
- a hydraulic system
- decrease the oxygen

Answer: add more oxygen

You are presented with the quiz "What does smell help an animal do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "smell is used for finding food by some animals" and "food includes small rodents and birds". So, what's the best answer to the question?
OPTIONS:
- survive
- feel rodents
- kill rodents
- find rodents
- improve
- reproduce
- chew rodents
- An object is seen

Answer:
find rodents