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

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

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