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

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

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