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

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

*GRAMMAR*
zup -> RED 
 blicket -> YELLOW 
 dax -> PURPLE 
 tufa -> GREEN 
 x1 lug u1 -> [x1] [u1] [x1] 
 u1 gazzer x1 -> [u1] [x1] 
 u1 wif u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 