Background: Many respiratory diseases are caused by pathogens. A pathogen is an organism that causes disease in another organism. Certain bacteria, viruses, and fungi are pathogens of the respiratory system. The common cold and flu are caused by viruses. The influenza virus that causes the flu is pictured below ( Figure below ). Tuberculosis, whooping cough, and acute bronchitis are caused by bacteria. The pathogens that cause colds, flu, and TB can be passed from person to person by coughing, sneezing, and spitting. Illnesses caused by bacteria can be treated with antibiotics. Those caused by viruses cannot.

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has more people catching the common cold?
Answer: Big

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has fewer people catching the common cold?
Answer: Large

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has fewer people catching the flu?
Answer: Large

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has more people catching the flu?
Answer: Big

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has more people catching tuberculosis?
Answer: Large

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has fewer people catching tuberculosis?
Answer: Big

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has fewer people catching whooping cough?
Answer: Big

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has more people catching whooping cough?
Answer: Large

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has more people catching acute bronchitis?
Answer: Large

Situation: Big city and Large city are situated 50 miles apart, on opposite sides of a mountain range. Both cities have lots of people with respiratory diseases. Big city has more people getting infected by viruses, while Large city has more people infected by bacteria and fungi.

Question: Which city has fewer people catching acute bronchitis?
Answer: Big

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced more influenza?
Answer: Mary

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced less influenza?
Answer: Ann

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced no common cold?
Answer: Ann

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced the common cold?
Answer: Mary

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced tuberculosis?
Answer: Mary

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced no tuberculosis?
Answer: Ann

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced no whooping cough?
Answer: Ann

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced whooping cough?
Answer: Mary

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person experienced acute bronchitis?
Answer: Mary

Situation: Mary was from a family that forbids all vaccinations. She never got any vaccines and developed immunity the hard way by getting many respiratory diseases. Ann got all here vaccines done in time and at the proper age.

Question: Which person didn't experience acute bronchitis?
Answer: Ann

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group included people that had the common cold?
Answer: group one

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group didn't include people that had the common cold?
Answer: group two

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group didn't include people that had the flu?
Answer: group two

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group included people that had the flu?
Answer: group one

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group included people that had tuberculosis?
Answer: group two

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group didn't include people that had tuberculosis?
Answer: group one

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group didn't include people that had whooping cough?
Answer: group one

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group included people that had whooping cough?
Answer: group two

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group included people that had acute bronchitis?
Answer: group two

Situation: The doctors studied two groups of people, group one which included people with respiratory diseases caused by viruses, and group two, which had people with respiratory diseases caused by bacteria.

Question: Which group didn't include people that had acute bronchitis?
Answer: group one

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has more people that caught the common cold?
Answer: Birch

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has fewer people that caught the common cold?
Answer: Free

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has fewer people that caught the flu?
Answer: Free

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has more people that caught the flu?
Answer: Birch

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has more people that caught tuberculosis?
Answer: Free

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has fewer people that caught tuberculosis?
Answer: Birch

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has fewer people that caught whooping cough?
Answer: Birch

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has more people that caught whooping cough?
Answer: Free

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has more people that developed acute bronchitis?
Answer: Free

Situation: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases.

Question: Which town has fewer people that developed acute bronchitis?
Answer: Birch

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had more people with cold?
Answer: Iran

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had fewer people with cold?
Answer: Iraq

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had fewer people with the flu?
Answer: Iraq

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had more people with the flu?
Answer: Iran

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had more people with tuberculosis?
Answer: Iraq

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had fewer people with tuberculosis?
Answer: Iran

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had fewer people with whooping cough?
Answer: Iran

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had more people with whooping cough?
Answer: Iraq

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had more people with acute bronchitis?
Answer: Iraq

Situation: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria.

Question: Which country had fewer people with acute bronchitis?
Answer: Iran