input question: Fix spacing: WeshouldnoteinpassingtheconsiderableagedifferencebetweenthetwowithSeifertbeingtwentyyearsyoungerthanhisfriendandteacher.

output answer: We should note in passing the considerable age difference between the two with Seifert being twenty years younger than his friend and teacher.

input question: Fix spacing: TransferfromElEscorialtoMadrid(MAD)airport

output answer: Transfer from El Escorial to Madrid (MAD) airport

input question: Fix spacing: replace.exedevicecan'twork/Nosound:Actually,inmostcasesdeviceproblemisbecauseof.sysfiles.

output answer: replace.exe device can't work/No sound: Actually, in most cases device problem is because of .sys files.

input question: Fix spacing: Thesystemconsistsoflettersthatcanbecombinedintowordsandsentences.

output answer:
The system consists of letters that can be combined into words and sentences.