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

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

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