Rewrite the given sentence using formal language and context-appropriate words.
It's a bummer that my mom won't let me go out.
It is unfortunate that my mother will not permit me to venture outside.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rewrite the given sentence using formal language and context-appropriate words.

### Input:
It's a bummer that my mom won't let me go out.

### Output:
It is unfortunate that my mother will not permit me to venture outside.