Which rhetorical situation best reflects the appeal known as pathos?

A community leader speaks at an Earth Day event, telling a story about a group of high school students who cleaned up their neighborhood streets in their spare time.
A dentist speaks at a dental conference about the experience of using a new piece of technology that creates clearer images of patients’ teeth.
A student council member explains that holding a blanket drive in early fall enables the group to donate the blankets to a shelter when they are needed most.
An executive baker explains to his employees that breads and pastries sold in his shop will cost more to cover the rising costs of ingredients and minimum wage.