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

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

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