Hints
For LM-C03-C-001, compare storage with what a reader sees.
For LM-C03-C-002, count the letters in the ASCII word.
For LM-C03-C-003, apply the same lowercase operation to each form.
For LM-C03-C-004, think about questions, exclamations, code, and sentence
boundaries.
For LM-C03-C-005, remember that English spacing is not a universal rule.