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

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

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