*SUPPORT*
IN: lug zup dax gazzer lug gazzer dax OUT: GREEN BLUE GREEN BLUE
IN: lug wif lug gazzer fep OUT: BLUE PINK BLUE PURPLE
IN: dax tufa OUT: GREEN GREEN GREEN GREEN
IN: fep gazzer wif zup fep zup fep OUT: PURPLE PURPLE PURPLE PINK
IN: fep zup wif tufa OUT: PINK PINK PINK PINK PURPLE
IN: wif zup fep zup fep wif tufa OUT: PURPLE PINK PINK PINK PINK PURPLE PINK
IN: lug zup dax zup fep OUT: PURPLE GREEN BLUE
IN: dax zup lug tufa OUT: BLUE BLUE BLUE BLUE GREEN
IN: lug dax lug tufa OUT: BLUE GREEN BLUE BLUE BLUE BLUE
IN: wif gazzer lug gazzer fep OUT: PINK BLUE PURPLE
IN: wif gazzer dax gazzer fep OUT: PINK GREEN PURPLE
IN: wif OUT: PINK
IN: wif fep gazzer dax lug OUT: PINK PURPLE GREEN BLUE
IN: lug tufa OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: wif dax fep OUT: PINK GREEN PURPLE
IN: wif zup wif dax tufa OUT: PINK GREEN GREEN GREEN GREEN PINK
IN: wif gazzer fep zup wif dax tufa OUT: PINK PINK GREEN GREEN GREEN GREEN PURPLE
IN: wif zup dax tufa OUT: GREEN GREEN GREEN GREEN PINK
IN: dax gazzer fep tufa OUT: GREEN PURPLE PURPLE PURPLE PURPLE
IN: lug gazzer fep gazzer lug tufa OUT: BLUE PURPLE BLUE BLUE BLUE BLUE
IN: fep OUT: PURPLE
IN: fep zup fep tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: GREEN
IN: lug gazzer wif tufa OUT: BLUE PINK PINK PINK PINK

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