Add punctuation: When they wanted to create distinct rolebase learning paths Aura developed additional code to provide administrators with course assignment control allowing them to build the desired customizable rolebased curriculum plans
A: When they wanted to create distinct, role-base learning paths, Aura developed additional code to provide administrators with course assignment control- allowing them to build the desired customizable, role-based curriculum plans.

Add punctuation: The nearest metro station is Hospital Clnic blue line and is also very close to the Provena railway stationDont miss the Casa Batll and Casa Amatller
A: The nearest metro station is Hospital Clinic, blue line, and is also very close to the Provenca railway station.Don't miss the Casa Batllo and Casa Amatller.

Add punctuation: Pittsburgh is a major port city on the Ohio River which is the financial and commercial center of America founded in 1761
A:
Pittsburgh is a major port city on the Ohio River, which is the financial and commercial center of America founded in 1761.