Fill in the blank with the most suitable word: The ___ called to ask if he could borrow a cup of sugar.
The neighbor called to ask if he could borrow a cup of sugar.
Complete the following task based on the instruction and optional input provided.### Instruction:
Fill in the blank with the most suitable word: The ___ called to ask if he could borrow a cup of sugar.

### Output:
The neighbor called to ask if he could borrow a cup of sugar.