I believe it is: Its and Our
Do you have the paragraph if you do look for an evidence to see if it can support your answer I swear I would help if I have read it all and work get you the answer
Answer: Hyperbole because "Huge heart transplant" is an exaggeration.
Its hyperbole because its not comparing anything so its not simile or metaphor and its not comparing a non living thing to a living thing so its not personification.
