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

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

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