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

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

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