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

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

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