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

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

*GRAMMAR*
fep -> PINK 
 kiki -> YELLOW 
 dax -> RED 
 wif -> GREEN 
 x1 lug -> [x1] [x1] 
 u1 gazzer -> [u1] [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 