ManysmallmomandpopcleanerswhoaretryingtogetawayfromusingpercarechangingovertoDF-2000.AlthoughDF-2000islesstoxicthanperc,itisstillapetroleum-basedsolventandhasitsownsetofproblems.

Many small mom and pop cleaners who are trying to get away from using perc are changing over to DF-2000. Although DF-2000 is less toxic than perc, it is still a petroleum-based solvent and has its own set of problems.
[Q]: [YouhavetohelpEva.Shehasahairfashionstudio.Ithinkitlooksgreat.]
[A]: [You have to help Eva. She has a hair fashion studio. I think it looks great.]
Problem: Add spaces: Asitwillbeseen,thequantumcosmologicalequationsarequitesimple.

Spaces added: As it will be seen, the quantum cosmological equations are quite simple.
This text is missing some spaces, please add them: LiketheoldTsay-ee-kahinthematterofthesecondCongressofWorkers'andSoldiers'Soviets,theExecutiveCommitteetriedtopreventthePeasantCongresssummonedbySmolny.
Like the old Tsay-ee-kah in the matter of the second Congress of Workers' and Soldiers' Soviets, the Executive Committee tried to prevent the Peasant Congress summoned by Smolny.
input question: Fix spacing: Hehadspokentothedoctoronthetelephone.

output answer: He had spoken to the doctor on the telephone.
input question: Fix spacing: Dissolvetacoseasoningintochickenbroth.

output answer:
Dissolve taco seasoning into chicken broth.