Select the correct Active/Passive form of the given sentence. Indian Government launches ‘Operation Dost’ to help quake-hit Turkey.

Quake-hit Turkey was helped by Indian Government and launched ‘Operation Dost’. ‘Operation Dost’ has been launched to help quake-hit Turkey by Indian Government. ‘Operation Dost’ was launched by Indian Government to help quake-hit Turkey. ‘Operation Dost’ is launched by Indian Government to help quake-hit Turkey.

‘Operation Dost’ is launched by Indian Government to help quake-hit Turkey.

[Answer: 4; Present Indefinite Tense- (1st from of verb+s/es) is changed into (Is/are/am+3rd form of verb)]