b$.$ Give an example of a joint event. Select the correct choice below.

Is a Upper B $2$ Upper C marketer and doesn't plan to increase use of social media

Is a Upper B $2$ Upper C marketer and doesn't plan to increase use of social media

Is a Upper B $2$ Upper C marketer

Is a Upper B $2$ Upper C marketer

Doesn't plan to increase use of social media

Doesn't plan to increase use of social media

Is a Upper B $2$ Upper B marketer

Is a Upper B $2$ Upper B marketer