kafxumvi'u lujvo

v1 decaffeinates/removes caffeine v2=x1=c1 from v3 with/leaving result/remnant/remainder v4.

Third place could be coffee beans, cocoa, tea leaves and other caffeine-containing materials.

In notes:

nalkafxumckafi
c1=x1 is a quantity of decaffinated coffee/coffee [beverage] without caffeine.