Problem: Add spaces: SpeakingofhisowninvolvementinBourbakianditsinfluenceonhisowncareer,Dieudonnewrites:

Spaces added: Speaking of his own involvement in Bourbaki and its influence on his own career, Dieudonne writes :
This text is missing some spaces, please add them: 6.SewontheVelcrotoclosethebelt.
6. Sew on the Velcro to close the belt.
input question: Fix spacing: Youcanfindpopulartruckparkinggamesatgamecr,youwillshowparkingtrucksandtrailers.Gamecrforfun.

output answer: You can find popular truck parking games at gamecr, you will show parking trucks and trailers. Gamecr for fun.
Problem: LakeKivuisoneoftheworld'sthreeknown"explodinglakes,"presentingathreataswellasanopportunityforlocalcommunities.
What's a sentence that uses these characters?
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Lake Kivu is one of the world's three known "exploding lakes," presenting a threat as well as an opportunity for local communities.
Add spaces: Peoplecangetarealboostfromknowingthattheireffortsandcontributionshavebeengenuinelyappreciatedandrecognisedbyothers.

Answer: People can get a real boost from knowing that their efforts and contributions have been genuinely appreciated and recognised by others.
This text is missing some spaces, please add them: LookingwhichairportforArzlimPitzal?
Looking which airport for Arzl im Pitzal?