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

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

*GRAMMAR*
fep -> YELLOW 
 wif -> PINK 
 kiki -> GREEN 
 gazzer -> BLUE 
 u1 tufa -> [u1] [u1] 
 u1 lug u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 