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

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

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