Given the task definition and input, reply with output. In this task, you are given a sentence in the english language. Here, your job is to convert english sentence into the bulgarian language.

Investigation of accidents in the maritime transport sector (

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Разследване на произшествия в областта на морския транспорт (