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

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

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