In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[Q]: Question: What once most common bird in north america became extinct in the 1800s? Answer: the passenger piegon
[A]: The passenger piegon once most common bird in north america became extinct in the 1800s.


[Q]: Question: Another unit of energy, used widely in the health professions and everyday life, is _______? Answer: calorie ( cal )
[A]: Another unit of energy, used widely in the health professions and everyday life, is calorie ( cal )?


[Q]: Question: What do we call the solid form of hydrocarbons? Answer: coal
[A]:
We call the solid form of hydrocarbons coal.