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

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

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