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

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

*GRAMMAR*
tufa -> PINK 
 dax -> PURPLE 
 wif -> RED 
 kiki -> GREEN 
 u1 gazzer u2 -> [u2] [u1] 
 x1 zup -> [x1] [x1] 
 x1 lug -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 