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

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

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