question: the sherman had proven to be slightly lighter than expected.
Capitalize this past sentence correctly.
A: The Sherman had proven to be slightly lighter than expected.

question: pvc and fabric coupled with black
Capitalize this past sentence correctly.
A: PVC and fabric coupled with black

question: fresh air is important for the learning ability - ke fibertec
Capitalize this past sentence correctly.
A: Fresh air is important for the learning ability - KE Fibertec