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

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

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