Which of the following is a part of the ‘Sutta Pitaka’?

Majjhima Nikaya

The correct answer is Option 1- Majjhima Nikaya

The Sutta Pitaka is the second of the three divisions of the Pali Canon, the definitive canonical collection of scripture of Theravada Buddhism. It consists of more than 10,000 suttas (discourses) attributed to the Buddha or his close companions.

The Majjhima Nikaya is one of the five nikayas (collections) that make up the Sutta Pitaka. It consists of 152 suttas of varying length, ranging from some of the most profound and difficult suttas in the Canon to engaging stories full of human pathos and drama that illustrate important principles of the law of kamma.

The other options are:

Dhammasangani is part of the Abhidhamma Pitaka

Manu Smriti is a Hindu text

Dipavamsa is a Pali chronicle of Sri Lanka