*SUPPORT*
IN: dax gazzer tufa blicket wif OUT: YELLOW PINK GREEN
IN: wif OUT: GREEN
IN: wif lug dax OUT: GREEN PINK
IN: wif wif OUT: GREEN GREEN
IN: zup gazzer dax lug wif blicket tufa OUT: PINK BLUE GREEN YELLOW
IN: zup OUT: BLUE
IN: wif gazzer wif blicket zup OUT: GREEN GREEN BLUE
IN: wif gazzer dax OUT: PINK GREEN
IN: dax OUT: PINK
IN: tufa OUT: YELLOW
IN: zup dax lug wif gazzer tufa blicket tufa OUT: BLUE PINK YELLOW GREEN YELLOW
IN: wif blicket zup OUT: GREEN BLUE
IN: wif blicket wif OUT: GREEN GREEN
IN: tufa gazzer dax gazzer zup dax OUT: BLUE PINK PINK YELLOW

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

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