A popular American hamburger chain successfully entered the fast-food market in India by altering the menu to include vegetarian burgers instead of hamburgers made with beef. This example can best be described as:
1. Stimulus diffusion
2. Relocation diffusion
3. Hierarchical diffusion
4. Independent invention

1.Stimulus Diffusion

Explanation:

Stimulus diffusion occurs when a new idea replace the one on ground by spreading from one place to another.

Stimulus diffusion can also be seen as trend which often move from a new location to another by enabling new ideas to replace old one which inturn gives it a new and unique form, which is what the popular American hamburger chain was trying to do after he had successfully entered the fast-food market in India by altering the menu to include vegetarian burgers instead of hamburgers made with beef.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )