Skip logic not working on multi-select many answers question type

Skip logic not working on multi-select many answers question type

I have a question with 4 possible answers, and multiple answers allowed.

Multiple choice – multiple answers
CLOSE IF NEITHER A OR B SELECTED
Q2. What age(s) are your children?
a.     0-3 years
b.     4-5 years
c.     6-8 years
d.     8 years+

Respondents should be sent to the disqualification page if they select c or d and do not also select a or b.

I have been trying to set this logic for the past 20 minutes and nothing I have tried has worked. Please could someone advise me on the best way to set this logic within Zoho? The logic conditions that work within my other software (QuestionPro) are not working!

I have tried all of the below to no avail...


Thank you!