Context: but i ca nt help thinking that you did this to me too . and i do nt really know what you did anyways so how am i supposed to think any different . i lost you . i lost her .
Question: What is the cause of the narrator 's sadness ?
Option 0: The loss of a partner .
Option 1: None of the above choices .
Option 2: The loss of a father .
Option 3: The loss of a friend .
Answer: 0