This is due to the given perspectives that the story is read from. Also, another person may personally relate to the events in the story in different ways than others, and therefore interpret it differently.
Everyone likes food, yet not everyone enjoys the same particular food. It has the word yet in the sentence. If you remove yet, then there is two complete sentences present.
The answer is letter A. A business letter is a letter written in formal dialect, typically utilized when composing starting with one business association then onto the next, or for correspondence between such associations and their clients, customers and other outside gatherings.