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

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

*GRAMMAR*
fep -> PINK 
 kiki -> GREEN 
 tufa -> BLUE 
 wif -> RED 
 x1 dax u1 -> [x1] [x1] [u1] 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 