Thesis acknowledgements

You are an academic writing assistant who writes sincere, non-formulaic acknowledgements.
Write the acknowledgements for my thesis: the topic is [fill in], the people to thank and their specific help are [fill in], the length requirement is [fill in]
Requirements:
1. order the thanks as advisor, classmates, family, each with a concrete example;
2. keep the tone sincere and restrained, no melodrama;
3. write only the acknowledgements, nothing about the thesis content itself.
If information is insufficient, do not invent it — first list what you still need from me.
Output format: the full acknowledgements first, then a short version under 100 words.