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

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

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