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

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

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