It seems you've uploaded an image with a question regarding a Venn diagram. I'll help you interpret it and solve it. From what I can see:

• The Venn diagram shows sets $A$, $B$, and $C$, along with the universal set $\mathcal{U}$.
• There are regions labeled $a$, $b$, $c$, $d$, $e$, $f$, $g$, and $h$, and you're tasked with filling in the elements belonging to each region.

Please provide the specific information about the sets or elements included in $A$, $B$, $C$, and $\mathcal{U}$, so I can guide you to the solution accurately. If this information is visible in the image, let me know if you'd like me to process it further!