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

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

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