Student A:A company in New York City in the United States first offered installation of air conditioning for cars in 1933. Most of their customers operated limousines and luxury cars.

When did air conditioning become available in cars?
Student B:OK... The relevant information to answer the above question is: A company in New York City in the United States first offered installation of air conditioning for cars in 1933.
1933.

Student A:Context: During fertilization, a sperm must first fuse with the plasma membrane and then penetrate the female egg in order to fertilize it. Fusing to the egg usually causes little problem, whereas penetrating through the egg's hard shell or extracellular matrix can present more of a problem to the sperm. Therefore, sperm cells go through a process known as the acrosome reaction which is the reaction that occurs in the acrosome of the sperm as it approaches the egg. The acrosome is a cap-like structure over the anterior half of the sperm's head.

Question: when does the acrosome reaction occur in sperm?
Student B:OK... To answer the question, consider the following: Therefore, sperm cells go through a process known as the acrosome reaction which is the reaction that occurs in the acrosome of the sperm as it approaches the egg.
as it approaches the egg.

Student A:The season consisted of 20 episodes, in which ten episodes aired in the summer of 2016, with the remaining ten episodes aired from April 2017. The season's premiere aired on June 21, 2016, on Freeform. Production and filming began in the end of March 2016, which was confirmed by showrunner I. Marlene King. The season premiere was written by I. Marlene King and directed by Ron Lagomarsino. King revealed the title of the premiere on Twitter on March 17, 2016. On August 29, 2016, it was confirmed that this would be the final season of the series.

Answer this question based on the passage: how many episodes of pretty little liars season 7b?
Student B:OK... This is the relevant information: The season consisted of 20 episodes, in which ten episodes aired in the summer of 2016, with the remaining ten episodes aired from April 2017.
ten.

Student A:The Yellowstone Caldera is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States, sometimes referred to as the Yellowstone Supervolcano. The caldera and most of the park are located in the northwest corner of Wyoming. The major features of the caldera measure about 34 by 45 miles (55 by 72 km).

What is the volcano in yellowstone national park called?
Student B:
OK... To answer the question, consider the following: The Yellowstone Caldera is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States, sometimes referred to as the Yellowstone Supervolcano.
The Yellowstone Caldera.