Questões de Pronome reflexivo | Reflexive Pronoun (Inglês)

Which sentence accurately uses a reflexive pronoun?

Na frase abaixo, o termo destacado trata-se de um:

“Joe should always take care of himself.” 

In the following sentence, identify the personal pronoun and its specific type (subject, object, possessive, reflexive):
"They gave themselves a well-deserved break after finishing their project."

Julgue o item subsequente. 

Reflexive pronouns, such as “myself” and “yourself,” reflect the action back onto the subject. Mastery of reflexive pronoun usage ensures grammatical accuracy and clarity in English sentences. Recognizing situations that warrant reflexive pronouns contributes to effective self-expression. 

Sabe-se que os pronomes reflexivos podem ter uma função enfática. Neste caso, eles se adaptam à pessoa ou à coisa que será enfatizada. Diante do exposto, analise as afirmativas a seguir e assinale a alternativa correta.
I. Mary is a journalist. She talked to the prime minister theirself. II. Mary is a journalist. She talked to herself the prime minister. III. Mary is a journalist. She talked to the prime minister herself. IV. The journalist, Mary, talked to the prime minister him.