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

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

*GRAMMAR*
tufa -> PURPLE 
 fep -> BLUE 
 wif -> YELLOW 
 lug -> GREEN 
 x1 blicket x2 -> [x2] [x2] [x2] [x2] [x2] [x2] [x1] 
 u1 zup u2 -> [u1] [u2] [u2] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 