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 Angiosperm Phylogeny Group ( APG ) is an informal international group of botanists who came together to try try and get a consensus on the taxonomy of flowering plants ( angiosperms ) .

SOLUTION: The Angiosperm Phylogeny Group , or APG , is an informal international group of systematic botanists who collaborate to establish a consensus on the taxonomy of flowering plants ( angiosperms ) that reflects new knowledge about plant relationships discovered through phylogenetic studies .

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 British Armed Forces protect the United Kingdom , the British overseas territories and the Crown dependencies .

SOLUTION:
The British Armed Forces , also known as Her Majesty 's Armed Forces , are the military services responsible for the defence of the United Kingdom , its overseas territories and the Crown dependencies .