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

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

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