Problem: Add spaces: Itistheworld'slargestcapacityportablechargerandexternalbattery.

Spaces added: It is the world's largest capacity portable charger and external battery .
This text is missing some spaces, please add them: allthethingsthatareusedorneededinanybusiness,undertakingoroperation(distinguishedfrompersonnel).
all the things that are used or needed in any business, undertaking or operation (distinguished from personnel).
input question: Fix spacing: Marriage5February1793

output answer: Marriage 5 February 1793
Problem: IthassimilaritieswithEtonFives,anothertypeofFives.Thegameisplayedassinglesordoubles,theaimbeingtohittheballabovea"bar"acrossthefrontwallinsuchawayastheoppositioncannotreturnitbeforeasecondbounce.
What's a sentence that uses these characters?
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It has similarities with Eton Fives, another type of Fives. The game is played as singles or doubles, the aim being to hit the ball above a "bar" across the front wall in such a way as the opposition cannot return it before a second bounce.
Add spaces: Hewasamasteratderivingcomplicatedresultsinamazinglysimpleways.

Answer: He was a master at deriving complicated results in amazingly simple ways.
This text is missing some spaces, please add them: CentralapartmentforgroupsinBarcelona|Barcelona-Home
Central apartment for groups in Barcelona | Barcelona-Home