Problem: Add spaces: ShepresentedtheapplicationtoHansChristianAndersen,whoputitintheleathersuitcasefollowedbythewords:

Spaces added: She presented the application to Hans Christian Andersen, who put it in the leather suitcase followed by the words:
This text is missing some spaces, please add them: 2yearsago1:11:15xHamsterJapaneselesbian,Japaneseuncensored,cute,strapon,vintage
2 years ago 1:11:15 xHamster Japanese lesbian, Japanese uncensored, cute, strapon, vintage
input question: Fix spacing: TheirsuppressionleftDisraeliinnoillusionaboutthefuture.

output answer: Their suppression left Disraeli in no illusion about the future.
Problem: Whatisthismedicine?bosentan.lovastatin.
What's a sentence that uses these characters?
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What is this medicine? bosentan. lovastatin.
Add spaces: However,itisregrettabletolearnthatcriticsandeditors,manyfromdifferentresearchbackgrounds,attackthebooksonsubjectsnotevendealtwith,ortoexcess,repeatothers'incorrectcriticismwithouthavingreadthebooksatall-perhapsakindoflemmingeffect.

Answer: However, it is regrettable to learn that critics and editors, many from different research backgrounds, attack the books on subjects not even dealt with, or to excess, repeat others' incorrect criticism without having read the books at all - perhaps a kind of lemming effect.
This text is missing some spaces, please add them: Afreeformerwithtwodischargeunitscancombinedifferentmaterials.
A freeformer with two discharge units can combine different materials.