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

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

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