Q: You are presented with the quiz "What is The Euphrates larger than?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "rivers are usually larger than streams" and "and the fourth river is the Great River, the river Euphrates". So, what's the best answer to the question?

OPTIONS:
- ocean
- planet
- trees
- sea
- Inches
- Sediment
- stream
- Length

A: stream
input: OPTIONS:
- Skywriting
- Electrical energy
- Using a phone to communicate
- Leaving a written communicatio
- Something coming from a gland
- By wind and rain
- Chemical energy
- Leaving chemical trails Now, answer this question: You are presented with the quiz "How do ants communicate to other ants to encourage them to follow?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ants communicate with chemicals called pheromones" and "physiologically, ants leave a trail of pheromones, which other ants then follow". So, what's the best answer to the question?
A:
output: Leaving chemical trails
You are presented with the quiz "When liquids are heated above a point, a liquid is converted to what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "boiling is when liquids are heated above their boiling point" and "boiling is the conversion of a liquid to a gas". So, what's the best answer to the question?

OPTIONS:
- hot
- acid
- gas
- water
- food
- oil
- heat
- bubbles

Answer: gas
Problem: OPTIONS:
- chemical reaction
- contraction
- Movement of an air mass
- expansion
- metabolic reaction
- energy storage
- increased body strength
- oxidation reaction
Q: You are presented with the quiz "overcoming the energy barrier starts a what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "all chemical reactions require activation energy to get started" and "activation energy is required to overcome the energy barrier". So, what's the best answer to the question?
Answer: chemical reaction
Problem:OPTIONS:
- health
- parasites
- chickenpox
- toxins
- viruses
- exercise
- wellness
- Roundworms.

You are presented with the quiz "what causes illness?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "bacteria can cause people to become ill" and "bacteria, viruses or parasites can cause sickness". So, what's the best answer to the question?
****
A: parasites
Problem:OPTIONS:
- energy barrier
- erosion
- storms
- energy usage
- salinity
- hurricanes
- friction
- massive damage

You are presented with the quiz "moving people across bodies of waters requires avoiding what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "aship is used for moving people across bodies of water" and "hurricanes and treacherous shipping lanes frequently scattered treasures and crews across the reef". So, what's the best answer to the question?
****
A:
hurricanes