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

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

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