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

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

*GRAMMAR*
zup -> PURPLE 
 tufa -> PINK 
 lug -> GREEN 
 kiki -> RED 
 u1 wif u2 -> [u1] [u2] 
 x1 dax x2 -> [x2] [x2] [x1] [x1] [x2] [x2] 
 x1 gazzer u1 -> [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 