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

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

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