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

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

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