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

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

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