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

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

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