*SUPPORT*
IN: lug OUT: RED
IN: gazzer wif zup OUT: BLUE GREEN
IN: zup dax OUT: BLUE BLUE BLUE
IN: lug wif gazzer OUT: GREEN RED
IN: zup lug lug gazzer kiki OUT: BLUE RED RED GREEN PURPLE
IN: lug wif zup OUT: BLUE RED
IN: gazzer tufa OUT: GREEN GREEN
IN: lug tufa OUT: RED RED
IN: zup OUT: BLUE
IN: lug wif lug dax OUT: RED RED RED RED RED RED
IN: kiki tufa OUT: PURPLE PURPLE
IN: zup wif zup dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: kiki wif zup OUT: BLUE PURPLE
IN: zup wif gazzer OUT: GREEN BLUE

*QUERY*
IN: kiki tufa dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup kiki OUT: BLUE PURPLE
IN: zup tufa OUT: BLUE BLUE
IN: gazzer OUT: GREEN
IN: zup zup OUT: BLUE BLUE
IN: kiki OUT: PURPLE
IN: gazzer dax OUT: GREEN GREEN GREEN
IN: lug zup tufa OUT: RED BLUE BLUE
IN: zup tufa dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug zup OUT: RED BLUE

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