question: while the bracts of wild poinsettias are always red, as a houseplant, poinsettia is available in a variety of colours from red to apricot, burgundy, off-white, orange, pink, shades of cinnamon and bright lemon yellow.
Capitalize this past sentence correctly.
A: While the bracts of wild poinsettias are always red, as a houseplant, poinsettia is available in a variety of colours from red to apricot, burgundy, off-white, orange, pink, shades of cinnamon and bright lemon yellow.

question: they are needed for the proper utilization of essential fatty acids.
Capitalize this past sentence correctly.
A: They are needed for the proper utilization of essential fatty acids.

question: brauer had been one of the organisers of the mathematisch-physikalische arbeitsgemeinschaft which was an organisation for students in the university of berlin who held views at odds with the extreme right views of many of the other students.
Capitalize this past sentence correctly.
A: Brauer had been one of the organisers of the Mathematisch-physikalische Arbeitsgemeinschaft which was an organisation for students in the University of Berlin who held views at odds with the extreme right views of many of the other students.