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

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

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