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

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

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