M121-lab-1-1 24 results not 23

aggregation should return 23 but return 24. I’m pretty sure why it’s happening. When I try to filter movies which are OR (NOT Crime, NOT Horror) I’ve got 24 results. When I try to filter movies which are AND ( NOT Crime, Not Horror) there I have 23. Do I not understand something? Or maybe "genres does not contain “Crime” or “Horror” is a bit confusing?

Please read $match homework question

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Hi @Cezary_Czekalski_75348,

Closing this thread as you have already completed the lab. :clap:

Please feel free to create new post if you have any questions.

Thanks,
Sonali