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

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

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