*SUPPORT*
IN: zup fep kiki OUT: GREEN PINK
IN: zup wif zup OUT: GREEN GREEN
IN: gazzer fep kiki dax OUT: YELLOW PINK PINK
IN: zup lug lug kiki OUT: GREEN RED RED PINK
IN: lug wif kiki OUT: RED PINK
IN: gazzer wif kiki OUT: YELLOW PINK
IN: zup OUT: GREEN
IN: kiki wif lug OUT: PINK RED
IN: kiki OUT: PINK
IN: gazzer dax OUT: YELLOW YELLOW
IN: lug dax OUT: RED RED
IN: zup fep kiki wif lug OUT: GREEN PINK RED
IN: kiki fep zup OUT: PINK GREEN
IN: kiki lug dax OUT: PINK RED RED

*QUERY*
IN: zup fep zup dax OUT: GREEN GREEN GREEN
IN: lug fep kiki wif kiki OUT: RED PINK PINK
IN: kiki wif gazzer OUT: PINK YELLOW
IN: zup dax OUT: GREEN GREEN
IN: zup zup zup kiki dax OUT: GREEN GREEN GREEN PINK PINK
IN: kiki fep zup wif lug OUT: PINK GREEN RED
IN: lug wif lug OUT: RED RED
IN: kiki wif zup OUT: PINK GREEN
IN: zup wif gazzer OUT: GREEN YELLOW
IN: lug kiki fep kiki dax OUT: RED PINK PINK PINK

*GRAMMAR*
zup -> GREEN 
 kiki -> PINK 
 gazzer -> YELLOW 
 lug -> RED 
 u1 fep x1 -> [u1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 