This text is missing some spaces, please add them: Therewasaplaneoverheadwhichtheynoticedseemedtobebeingtailedorflankedbyatleasttwostrange,elongatedobjects.
There was a plane overhead which they noticed seemed to be being tailed or flanked by at least two strange, elongated objects.
input question: Fix spacing: Ifyoustudytheilluminati'sdeedsthroughouttheyears,youwillgetthefeelingthatwhateverisbehinditcanindeednotbehuman.

output answer: If you study the illuminati's deeds throughout the years, you will get the feeling that whatever is behind it can indeed not be human.
Problem: OnFridayitwillbemainlycloudy,butmostlydryforawhile.Theafternoonwillbringisolatedshowersorthunderstorms.Intheeveningvariablecloudswithrainshowerswillprevail.
What's a sentence that uses these characters?
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On Friday it will be mainly cloudy, but mostly dry for a while. The afternoon will bring isolated showers or thunderstorms. In the evening variable clouds with rain showers will prevail.
Add spaces: WintertraininginfullswingwithAndreasLundbergasnewcoach.Meanwhile,earlyspringtrainingsinNordichallenandBergsAkerthenewcoachoftheyearafterbrodernaAslinallowedtoretire.AndreasLundbergfromIndalhasassumedthetaskofleadingthefirstteamthisyear.PeterLindalsofromIndal,AgneFriskandBengtSjodinwillassistAndreas.

Answer: Winter training in full swing with Andreas Lundberg as new coach. Meanwhile, early spring trainings in Nordichallen and BergsAker the new coach of the year after broderna a slin allowed to retire. Andreas Lundberg from Indal has assumed the task of leading the first team this year. Peter Lind also from Indal, Agne Frisk and Bengt Sjodin will assist Andreas.
Therangesvariesfromdressmen'sautomaticwatchestoautomaticdiver'swatches.

The ranges varies from dress men's automatic watches to automatic diver's watches.
Add spaces: Housingindie-castaluminium.

Answer:
Housing in die-cast aluminium.