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

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

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