*SUPPORT*
IN: fep kiki lug OUT: RED YELLOW RED YELLOW
IN: zup tufa wif lug OUT: BLUE PINK BLUE PINK
IN: kiki wif zup blicket kiki OUT: YELLOW BLUE YELLOW PINK
IN: zup zup tufa zup OUT: PINK PINK PINK
IN: wif blicket kiki OUT: YELLOW BLUE
IN: kiki blicket wif lug OUT: BLUE YELLOW BLUE YELLOW
IN: zup kiki kiki OUT: PINK YELLOW YELLOW
IN: zup fep OUT: PINK RED
IN: fep wif kiki blicket zup tufa wif OUT: BLUE RED BLUE PINK YELLOW
IN: kiki OUT: YELLOW
IN: zup fep wif kiki lug OUT: PINK RED BLUE YELLOW PINK RED BLUE YELLOW
IN: zup blicket kiki tufa kiki lug OUT: YELLOW YELLOW PINK YELLOW YELLOW PINK
IN: wif OUT: BLUE
IN: wif wif blicket zup lug OUT: BLUE PINK BLUE BLUE PINK BLUE

*QUERY*
IN: zup blicket wif OUT: BLUE PINK
IN: wif blicket wif OUT: BLUE BLUE
IN: zup blicket fep OUT: RED PINK
IN: fep OUT: RED
IN: zup zup tufa wif tufa zup OUT: PINK BLUE PINK PINK
IN: wif fep tufa fep OUT: RED BLUE RED
IN: kiki zup wif lug OUT: YELLOW PINK BLUE YELLOW PINK BLUE
IN: kiki blicket fep lug OUT: RED YELLOW RED YELLOW
IN: zup OUT: PINK
IN: wif tufa wif OUT: BLUE BLUE

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