I dont know what rule u r talking about...but I can give u a sentence using the compound subject " clowning and crumping ".
Clowning and crumping are styles of dance that originated in the 90's.
India’s geography contributed to its isolation from the rest
of Asia. It is a peninsula but on the North, the Himalayas shields it from
invasion of both men and ideas. On the East there are dense forests that
although have lower height, is infested with malaria. Great oceans surround the
south and mountain ranges that are difficult to traverse block the West. As a
result, the Indian community developed its caste system, the most elaborate
expression in history of an unmoving agricultural society.
An allusion. The basic definition is on google if you need to fact check this! (:
The answer is number contemporary