Hi ​@gster3000, welcome to the Klaviyo community!

Just to ask a few follow-on questions:

• Do you have a field in your Customer Property called “Do you have any of the following conditions” verbatim? 
• Does the person you’re previewing as have that property value set?  In this case “Saud” - it doesn’t look like he has that field set, otherwise it would show.
• Can you do a screenshot of a Profile showing what that field looks like, and the expected values that it can have.  For example, I assume its either “yes” or “no”.
• Remember, for the conditional logic to work, is both case sensitive and has to be exact (including spaces).  So the screenshot above can help me troubleshoot.

However, I’m going to assume you got the field right,  with a profile that has a value for that field, and I think you mean “yes” or “no” as the possible field values.  Then I would try:

{% if person|lookup:'Do you have any of the following conditions?' == 'yes' %} yes {% else %} no {% endif %}

See if that works!