There is something I don’t understand about searching and search-labels.

I want to have two types (profil-types) of membership: Singles and Couples.

Both should be able to search both singles and couples, but as I understand, it is not possible to make cross-search between two kind og memberships – or??

Singles:
I am: (dropdown) Woman, Man, (I can´t write "couple here, as the membership is for singles) – label: gender1, Cross-search-label: gender2
I search: (dropdown) Woman, Man, Couple – label: gender2, Cross-search-label: gender1 (???)

Couples:
I am: (dropdown) Woman and man, Woman and woman, Man and man – label: gender3, Cross-search-label: gender ???
We search: (dropdown) Woman, Man, Couple – label: gender4, Cross-search-label: gender ???

Please give me some advice about how I do write so Singles and Couples can search each other?

Thanks in advance
Freja