*SUPPORT*
IN: wif wif OUT: PINK PINK
IN: gazzer OUT: GREEN
IN: gazzer zup kiki OUT: PURPLE GREEN PURPLE
IN: fep kiki lug kiki lug wif OUT: YELLOW PURPLE PURPLE PINK
IN: kiki blicket kiki OUT: PURPLE PURPLE
IN: fep zup gazzer OUT: GREEN YELLOW GREEN
IN: fep gazzer zup gazzer OUT: YELLOW GREEN GREEN GREEN
IN: wif zup kiki OUT: PURPLE PINK PURPLE
IN: kiki OUT: PURPLE
IN: wif zup gazzer OUT: GREEN PINK GREEN
IN: gazzer zup fep lug fep OUT: YELLOW GREEN YELLOW YELLOW
IN: kiki zup gazzer blicket kiki OUT: PURPLE GREEN PURPLE GREEN
IN: fep lug kiki blicket kiki OUT: PURPLE YELLOW PURPLE
IN: wif zup wif lug fep OUT: PINK PINK PINK YELLOW

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

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