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

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

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