Definition: In this task, you are given a sentence in the Bulgarian language. Here, your job is to convert bulgarian sentence into the english language.

Positive Example 1 -
Input: Състав на Парламента: вж. протоколи
Output: Membership of Parliament: see Minutes

Positive Example 2 -
Input: Защо бяхме против еврото по онова време?
Output: Why were we against the euro at that time?

Negative Example 1 -
Input: Имахме две основни причини за това.
Output: This is the very problem which we are facing today.

Now complete the following example -
Input: Общи правила в областта на сигурността на гражданското въздухоплаване (
Output: Common rules in the field of civil aviation security (