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

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

*GRAMMAR*
dax -> PURPLE 
 lug -> PINK 
 wif -> BLUE 
 zup -> GREEN 
 x1 kiki x2 -> [x2] [x1] 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 fep u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 