Question: They were together for five and a half years before she moved to Sisimiut
Please fix the punctuation.
Fixed: [They were together for five and a half years before she moved to Sisimiut.]

Question: This allows the intelligence of Windows to decide the correct software application to open your CSV file
Please fix the punctuation.
Fixed: [This allows the intelligence of Windows to decide the correct software application to open your CSV file.]

Question: 51 Dairy cows number start of year
Please fix the punctuation.
Fixed: [5.1. Dairy cows, number, start of year]

Question: The chests open in turn and 3 gems Diamonds or Emeralds or Rubies appear one by one If the three gems are of same type then the prize is awarded
Please fix the punctuation.
Fixed:
[The chests open in turn and 3 gems (Diamonds or Emeralds or Rubies) appear one by one. If the three gems are of same type then the prize is awarded.]