This chart lists four examples of two objects that are in contact.

which statement accurately describes the flow of heat in each example?

heat will flow from object 1 to object 2 in examples 2 and 4, and heat will flow from object 2 to object 1 in examples 1 and 3.
heat will flow from object 1 to object 2 in examples 1 and 3, and heat will flow from object 2 to object 1 in examples 2 and 4.
heat will flow from object 1 to object 2 in example 3, and heat will flow from object 2 to object 1 in examples 1, 2, and 4.
heat will flow from object 1 to object 2 in examples 1, 2, and 4, and heat will flow from object 2 to object 1 in example 3.