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

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

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