as with international summits the ground work is most important, and prior to the visit we had had close email contact with exchange of ideas and suggestions for future cooperation.

How would the previous sentence be correctly capitalized?
Answer: As with international summits the ground work is most important, and prior to the visit we had had close email contact with exchange of ideas and suggestions for future cooperation.
it is very comfortable for 4 people, with a very nice living room, two bathrooms and two bedrooms located in two different places of the apartments.

How would the previous sentence be correctly capitalized?
Answer: It is very comfortable for 4 people, with a very nice living room, two bathrooms and two bedrooms located in two different places of the apartments.
sales: loyalty segmentation the key to increased sales

How would the previous sentence be correctly capitalized?
Answer: Sales: Loyalty Segmentation The Key to Increased Sales
4 the lord spoke with you face to face on the mountain out of the middle of the fire,

How would the previous sentence be correctly capitalized?
Answer: 4 The LORD spoke with you face to face on the mountain out of the middle of the fire,