question: the diameter of the core is approx. 25mm.
Capitalize this past sentence correctly.
A: The diameter of the core is approx. 25mm.

question: the sculpture was put up 1997 in hong kong as a memorial for the many students killed in the tiananmen massacre 1989.
Capitalize this past sentence correctly.
A: The sculpture was put up 1997 in Hong Kong as a memorial for the many students killed in the Tiananmen massacre 1989.

question: 65 pilate said unto them, ye have a watch: go your way, make it as sure as ye can.
Capitalize this past sentence correctly.
A: 65 Pilate said unto them, Ye have a watch: go your way, make it as sure as ye can.