This question is incomplete. Here's the complete question.
Read Marriage Is a Private Affair, by Chinua Achebe
What is implied by Nene's use of the word yet in the first paragraph? What can we infer about the characters’ relationship?
Answer:
When Nene asks Nnaemeka “Have you written to your dad yet?” the word "yet" implies that they had agreed he would write to his father, and she´s waiting for that to happen.
Step-by-step explanation:
What this says about their relationship is that they are close, in an intimate relationship. Furthermore, we can infer they don´t agree on whether a letter should be sent soon or not.