Replace the placeholder with a suitable term.
An __ is a long, narrow and deep body of water.
An inlet is a long, narrow and deep body of water.
Complete the following task based on the instruction and optional input provided.### Instruction:
Replace the placeholder with a suitable term.

### Input:
An __ is a long, narrow and deep body of water.

### Output:
An inlet is a long, narrow and deep body of water.