Advanced search "or" function

Hi All,

Sorry if this is a stupid question, but how can I use an or field in advanced search?

I.e. suppose I have a field called colour and I need to return all items that contain either red OR blue?

I cannot seem to find the answer.


Unfortunately, booleans aren't in Omeka 1.x, but fortunately are planned for 2.x

OK, thanks for the response!