TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: The University of Tennessee is a public land-grant university in Knoxville , Tennessee .

SOLUTION: The University of Tennessee ( also referred to as The University of Tennessee , Knoxville ; UT Knoxville ; UTK ; or UT ) is a public research university in Knoxville , Tennessee .

PROBLEM: The name is occasionally misspelled " Macronesia " in analogy with Micronesia .

SOLUTION: Macaronesia is occasionally misspelled " Macronesia " in false analogy with Micronesia , an unrelated Pacific archipelago containing , among other nations , a country of the same name .

PROBLEM: The exact cause of bipolar disorder is unknown .

SOLUTION:
The causes of bipolar disorder likely vary between individuals and the exact mechanism underlying the disorder remains unclear .