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

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

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