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

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

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