Identify the statement that describes the relationship between the statements given below.

Statement $1$: You design an advertisement based on the principle of superficial message processing.

Statement $2$: You don't expect the viewers of your advertisement to process your message carefully.

Statement $1$ is reasonable if statement $2$ is untrue.

Statement $1$ weakens statement $2$

Statement $1$ is reasonable if statement $2$ is true.

Statement $2$ weakens statement $1$