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

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

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