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

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

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