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

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

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