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

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

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