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

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

*GRAMMAR*
zup -> YELLOW 
 lug -> PINK 
 dax -> GREEN 
 wif -> PURPLE 
 u1 tufa u2 -> [u2] [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 