What should I choose?

Alright so I got a hard choice to make rn, so back in February I failed a subject in the profession that i study (dental assistant) and I had to wait until a new group starts to join them, they send me a mail yesterday and told me I could starts on Sept 27, and then I few weeks ago I registered in a new program (hygiene and care in clean environments) and the class starts on Sept 23, but which one should I choose to study in?

What should I choose?
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