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

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

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