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

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

*GRAMMAR*
zup -> YELLOW 
 lug -> GREEN 
 tufa -> PINK 
 kiki -> PURPLE 
 u1 fep u2 -> [u2] [u2] [u1] 
 u1 wif -> [u1] [u1] 
 x1 dax -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 