Schoolwork will allow teachers to assign an app and an activity within that software to see how an individual student is performing

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Schoolwork will allow teachers to assign an app and an activity within that software to see how an individual student is performing.
According to Gabriel the environment is an important parameter among customers

Can you repeat this sentence, but add in punctuation?
According to Gabriel the environment is an important parameter among customers.
There he married Catharina Kortenbach the daughter of the pharmacist Wilhelm Kortenbach Wilhelm Killing the subject of this biography was one of their three children the other two being Hedwig and Karl

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There he married Catharina Kortenbach, the daughter of the pharmacist Wilhelm Kortenbach. Wilhelm Killing, the subject of this biography, was one of their three children, the other two being Hedwig and Karl.