Step 1: Understanding the Concept: 
The Mughal School of painting was founded by masters who were brought from Persia. The question asks to identify these founding Persian artists from the given list. 
 
Step 3: Detailed Explanation: 
(A) Mir Sayyid Ali: He was a master of the Safavid school of painting in Persia. He was invited by the Mughal emperor Humayun to join his court and was one of the founders of the Mughal atelier. 
(B) Bihzad: Kamal-ud-din Bihzad was a legendary master of Persian painting from the late Timurid and early Safavid periods. While his style was immensely influential on Mughal art, he himself never worked at the Mughal court. 
(C) Sahibdin: He was a master Indian artist of the Rajasthani School, specifically the Mewar school, during the 17th century. He was not a Persian artist at the Mughal court. 
(D) Abd Us Samad: He was the other great Persian master, alongside Mir Sayyid Ali, who was brought to India by Humayun. He played a crucial role in establishing the imperial Mughal workshop. 
 
Step 4: Final Answer: 
The Persian artists who were instrumental in founding the Mughal court atelier were Mir Sayyid Ali and Abd Us Samad. Therefore, the correct option is (A) and (D) only. 
Rearrange the following parts to form a meaningful and grammatically correct sentence: 
P. a healthy diet and regular exercise 
Q. are important habits 
R. that help maintain good physical and mental health 
S. especially in today's busy world