Read the sentences and choose the function

1. The weather won't be good enough for hiking tomorrow. [PREDICTION|PROMISE|OFFER|SPONTANEOUS DECISION|INVITATION|UNWILLINGNESS]
2. I will do my best next time. [PREDICTION|PROMISE|OFFER|SPONTANEOUS DECISION|INVITATION|UNWILLINGNESS]
3. The pen won't write. [PREDICTION|PROMISE|OFFER|SPONTANEOUS DECISION|INVITATION|UNWILLINGNESS]
4. Will you dance with me? [PREDICTION|PROMISE|OFFER|SPONTANEOUS DECISION|INVITATION|UNWILLINGNESS]
5. Shall we go to the swimming pool? [PREDICTION|PROMISE|OFFER|SPONTANEOUS DECISION|INVITATION|UNWILLINGNESS]
6. I will have a cold drink. [PREDICTION|PROMISE|OFFER|SPONTANEOUS DECISION|INVITATION|UNWILLINGNESS]