QUES: c the assumption that the gravitational mass is Lorentz invariant

correct the punctuation.

CORRECTED: c) the assumption that the gravitational mass is Lorentz invariant.

QUES: My position was then clearly man is good by nature and only the circumstances make it a suffering beings

correct the punctuation.

CORRECTED: My position was then clearly: man is good by nature and only the circumstances make it a suffering beings.

QUES: This year two trainees have each had a onemonth internship at the renowned restaurant Mielcke and Hurtigkarl in Copenhagen and one trainee will spend over a months internship at restaurant Gammel Mnt in Copenhagen

correct the punctuation.

CORRECTED:
This year, two trainees have each had a one-month internship at the renowned restaurant "Mielcke and Hurtigkarl" in Copenhagen and one trainee will spend over a month's internship at restaurant "Gammel Mnt" in Copenhagen.