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

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

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