Add punctuation: He entered this school in 1891 and there he studied religion Latin and modern languages history and geography and mathematics and science
A: He entered this school in 1891 and there he studied religion, Latin and modern languages, history and geography, and mathematics and science.

Add punctuation: How is your plugin doing with the webmaster tool
A: How is your plugin doing with the webmaster tool ?

Add punctuation: This quality prediction model was trained on past data about the production of steel slabs in order to predict the likely amount of defect mass in each individual slab based on available measurements
A:
This quality prediction model was trained on past data about the production of steel slabs in order to predict the likely amount of defect mass in each individual slab based on available measurements.