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

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

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