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

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

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