Student A:Context: The line For fools rush in where angels fear to tread was first written by Alexander Pope in his 1711 poem An Essay on Criticism. The phrase alludes to inexperienced or rash people attempting things that more experienced people avoid. It has since entered the general English lexicon as an idiom.

Question: who said fools rush in where angels fear to tread?
Student B:OK... The relevant information to answer the above question is: The line For fools rush in where angels fear to tread was first written by Alexander Pope in his 1711 poem An Essay on Criticism.
Alexander Pope.

Student A:A continent is one of several very large landmasses of the world. Generally identified by convention rather than any strict criteria, up to seven regions are commonly regarded as continents. Ordered from largest in size to smallest, they are: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.

Answer this question based on the passage: what are the names of the seven continents of the world?
Student B:OK... The important part for answering this question is: Ordered from largest in size to smallest, they are: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
Asia , Africa , North America , South America , Antarctica , Europe , and Australia.

Student A:Passage: Mannitol salt agar or MSA is a commonly used selective and differential growth medium in microbiology. It encourages the growth of a group of certain bacteria while inhibiting the growth of others. This medium is important in medical laboratories by distinguishing pathogenic microbes in a short period of time. It contains a high concentration (about 7.5 %-10 %) of salt (NaCl), making it selective for Gram-positive bacteria (Staphylococcus and Micrococcaceae) since this level of salt is inhibitory to most other bacteria. It is also a differential medium for mannitol-fermenting staphylococci, containing carbohydrate mannitol and the indicator phenol red, a pH indicator for detecting acid produced by mannitol-fermenting staphylococci. Staphylococcus aureus produces yellow colonies with yellow zones, whereas other coagulase-negative staphylococci produce small pink or red colonies with no colour change to the medium. If an organism can ferment mannitol, an acidic byproduct is formed that causes the phenol red in the agar to turn yellow. It is used for the selective isolation of presumptive pathogenic (pp) Staphylococcus species.

Question: Based on this passage, what is the role of phenol red in the mannitol salt medium?
Student B:OK... The important part for answering this question is: It is also a differential medium for mannitol-fermenting staphylococci, containing carbohydrate mannitol and the indicator phenol red, a pH indicator for detecting acid produced by mannitol-fermenting staphylococci.
a pH indicator for detecting acid produced by mannitol - fermenting staphylococci.

Student A:During the hiatus of the series, both Rue McClanahan (Aunt Fran) and Betty White (Ellen Jackson) had both gone on to star in the NBC sitcom The Golden Girls, rendering them unavailable to return. White, however, did return as Ellen for one episode in 1986 while Fran was killed off in the first episode of the revival. Carol Burnett and Harvey Korman, meanwhile, did not reprise their roles either, resulting in their characters (Eunice and Ed Higgins) being written out as having moved to Florida.

Answer this question based on the passage: why did they kill off fran on mama's family?
Student B:
OK... The important part for answering this question is: During the hiatus of the series, both Rue McClanahan (Aunt Fran) and Betty White (Ellen Jackson) had both gone on to star in the NBC sitcom The Golden Girls, rendering them unavailable to return.
Rue McClanahan ( Aunt Fran ) and Betty White ( Ellen Jackson ) had both gone on to star in the NBC sitcom The Golden Girls , rendering them unavailable to return.