Explanation:

- Option 1: Local sport

- A sport would typically involve physical exertion or skill, played according to rules. Bagurumba is not categorized as a sport.

- Option 2: Folk dance

- Bagurumba is indeed a traditional folk dance of the Bodo community in Assam, characterized by graceful movements and colorful attire.

- It is usually performed by women and is also known as the "butterfly dance."

- Option 3: Painting style

- A painting style refers to a specific manner or technique used in creating art. Bagurumba does not relate to painting.

- Option 4: Ceremonial procession

- A ceremonial procession involves people moving forward in an orderly fashion for a ceremony. Bagurumba is not a procession.