This text is missing some spaces, please add them: ResearchershaverecentlyidentifiedchangesinthechemicalstructuresofvariousangiogenicfactorsinsomepeoplewhohaveAVMsorothervascularabnormalitiesofthecentralnervoussystem.
Researchers have recently identified changes in the chemical structures of various angiogenic factors in some people who have AVMs or other vascular abnormalities of the central nervous system.


input question: Fix spacing: Eachofthesehasitsuniquefeaturesanditislefttoyoutodecidewhichmodelsuitsyourpreference.

output answer: Each of these has its unique features and it is left to you to decide which model suits your preference.


Problem: TheEEAworkstogetherwithEUadvisorybodiesi.e.,theCommitteeoftheRegionsandtheEuropeanEconomicandSocialCommittee,upontheirrequest.
What's a sentence that uses these characters?
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The EEA works together with EU advisory bodies i.e., the Committee of the Regionsand the European Economic and Social Committee, upon their request.


Add spaces: Latestupdate:9March201616:57

Answer: Latest update : 9 March 2016 16:57


PiazzadelPopolowasthenortherncitygateofRome,towhereallpostwaggonsarrivedfromnorth.

Piazza del Popolo was the northern citygate of Rome, to where all post waggons arrived from north.


Add spaces: Mostoftheseharmfuleffectsareduetooneaggravatinglittermanagementproblem---moistureaccumulation."

Answer:
Most of these harmful effects are due to one aggravating litter management problem---moisture accumulation."