You may be able to do this with variables.
How would one do this with VCE:14000 ≤ x ≤ 15000
I smell ID racism or whatever you call it.
This^Try learning VCE if you haven't already. Make an if- statement for the BL_ID and have it contentstart if the BL_ID value is less than 25,000.If you need a further explanation, I'll post the lines of events when I get home from school.