The government has launched a massive child welfare scheme in many parts of the country.

A sentence has been given in active/passive voice. Out of the four suggested alternatives, select the one which expresses the same sentence in passive/active voice.

A massive child welfare scheme is launched by the government in many parts of the country.

A massive child welfare scheme has been launched by the government in many parts of the country.

Many parts of the country have launched a massive child welfare scheme.

The government in many parts of the country has launched a massive child welfare scheme.

A massive child welfare scheme was launched in many parts of the country by the government.