Final answer:
The subject of this question is English. The characters in the dialogue or excerpt are discussing something that is gone or lost. The theme of loss and the characters' emotional reactions to it are common in English literature.
Step-by-step explanation:
The subject of this question is English. It appears to be a dialogue or excerpt from a play or story where characters are discussing something that is gone or lost.
The characters express their disbelief and sadness about the situation. The theme of loss and the characters' emotional reactions to it are common in English literature.