SuchwerethejoyfulthoughtsasthechildrentookturnsleadingtheRosaryatthepodium.

Such were the joyful thoughts as the children took turns leading the Rosary at the podium.
[Q]: [needbeforetheexpiryofanexpertonhis]
[A]: [need before the expiry of an expert on his]
Problem: Add spaces: R51/53Toxictoaquaticorganisms,maycauselong-termadverseeffectsintheaquaticenvironment.back

Spaces added: R 51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. back
This text is missing some spaces, please add them: Themembersrepeatinchorus:UnitedAndTrueUntilDovreFalls.
The members repeat in chorus: United And True Until Dovre Falls.
input question: Fix spacing: Changetothenextstepwhentherearenomorechanges.

output answer: Change to the next step when there are no more changes.
input question: Fix spacing: InstitutionCounciloftheEuropeanUnionPermanentRepresentativesCommitteePermanentrepresentationsPermanentRepresentationofEstoniaAdministrativeaffairs

output answer:
Institution Council of the European Union Permanent Representatives Committee Permanent representations Permanent Representation of Estonia Administrative affairs