input: Flexible Program One of the perks of this program is the long access period
fixed: Flexible Program: One of the perks of this program is the long access period.

input: Like a number of other mathematicians Bombieri became interested in mathematics at a fairly early age
fixed: Like a number of other mathematicians, Bombieri became interested in mathematics at a fairly early age.

input: PresentationFrameworkLunadll blue screen slow PC program and system crashing Fix
fixed: PresentationFramework.Luna.dll blue screen, slow PC, program and system crashing Fix

input: 5 Changing the materials
fixed:
5. Changing the materials