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

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

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