Which word is a preposition in the following sentence? yellow is a great color for brightening a room.

tom comes from a southern part of the hemisphere and down in the south they talk with a lot of slang the family doesnt quiet understand what tom is tryna say becaus ehe talks like a three year old but near the end they finally try and desihper toms letter and its a success i have no idea hwta book this is or how to even answere this question honeslty but i am a really fast typer so i did this actually incrediably quick with the swiftness of the flash

the narrator is a first person, participant one, who describes in the simple past tense important and difficult events in his earlier life. he also provides temporal markers as the month (january) and the time (12: 30 pm). finally the account of his experience is very detailed, to the extent that a participant narrator would talk the same way about his experiences. a good example of such detail is the mention of the “bovril ration” which historically was a native american food adopted by european explorers in arctic and antarctic regions due to its high level of calories.