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

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

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