Whom Would You Trust as Most Reliable? Discuss the Credibility

Essay

Whom would you trust as most reliable? Discuss the credibility and authority of each individual or group listed with regard to the following issue:
You've purchased a wood-burning stove. You are uncertain, however, what kind of wood to burn in it. You've heard that some produce more smoke, some are more likely to contribute to chimney fires, some burn hotter than others, and so forth.
a. the dealer from whom you purchased the stove
b. a friend of yours who has used a wood-burning stove for years
c. another friend who sells firewood
d. a U.S. Department of Agriculture publication, "Comparative Properties of Fuelwood"
e. a professor of environmental horticulture at a state university