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

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

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