input question: Fix spacing: Notethatyoucanputmorethanoneusernameintheinvitecommand(e.g."/inviteJack,Helen,Alf").

output answer: Note that you can put more than one username in the invite command (e.g. "/invite Jack,Helen,Alf").
Problem: recommendations.ThenaturaltherapieshavegivenmemylifebackLinda,
What's a sentence that uses these characters?
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recommendations. The natural therapies have given me my life backLinda,
Add spaces: Thisfreshandfemininescentedoiloffersawealthofbenefitsforskinandhairdriedoutbythesun,wind,andsalt.Applyitgenerouslybeforeoraftersunexposure.

Answer: This fresh and feminine scented oil offers a wealth of benefits for skin and hair dried out by the sun, wind, and salt. Apply it generously before or after sun exposure.
In1892thelifelongfriendshipbetweenLieandKleinbrokedownandthefollowingyearLiepubliclyattackedKleinsaying:

In 1892 the lifelong friendship between Lie and Klein broke down and the following year Lie publicly attacked Klein saying:
[Q]: [ThenwasAlGore,theDemocrats'newpresidentialcandidate(2000).]
[A]: [Then was Al Gore, the Democrats' new presidential candidate (2000).]
Problem: Add spaces: ViolentGangs,MafiasandPrivateMilitias

Spaces added:
Violent Gangs, Mafias and Private Militias