Identify the sentence that most strongly relies on emotional language.

a. If this project isn't successful, you will receive a low grade.

b. If this project does not succeed, it will be on your head.

c. If this project does not succeed, it will be on your head.

d. Be prepared to take responsibility if this project isn't a success.

b. If this project does not succeed, it will be on your head.

The sentence that most strongly relies on emotional language is option b. "If this project does not succeed, it will be on your head." The phrase "on your head" carries a strong emotional connotation, implying blame and potential repercussions.