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

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

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