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

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

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