*SUPPORT*
IN: tufa wif tufa OUT: PURPLE PURPLE
IN: dax blicket tufa OUT: RED PURPLE
IN: lug wif dax lug OUT: GREEN RED GREEN
IN: tufa lug zup OUT: PURPLE GREEN PURPLE GREEN PURPLE GREEN
IN: kiki OUT: PINK
IN: dax zup OUT: RED RED RED
IN: tufa OUT: PURPLE
IN: dax OUT: RED
IN: lug lug lug OUT: GREEN GREEN GREEN
IN: kiki blicket tufa wif dax zup OUT: PINK PURPLE RED RED RED
IN: lug OUT: GREEN
IN: lug wif tufa OUT: GREEN PURPLE
IN: lug dax wif tufa tufa kiki tufa kiki OUT: GREEN RED PURPLE PURPLE PINK PURPLE PINK
IN: tufa blicket tufa blicket dax zup OUT: PURPLE PURPLE RED RED RED

*QUERY*
IN: dax wif dax blicket lug OUT: RED RED GREEN
IN: kiki wif dax wif kiki OUT: PINK RED PINK
IN: dax blicket kiki OUT: RED PINK
IN: tufa dax OUT: PURPLE RED
IN: tufa wif dax OUT: PURPLE RED
IN: kiki wif kiki OUT: PINK PINK
IN: dax lug OUT: RED GREEN
IN: dax wif kiki blicket tufa OUT: RED PINK PURPLE
IN: lug blicket tufa wif kiki OUT: GREEN PURPLE PINK
IN: lug wif dax OUT: GREEN RED

*GRAMMAR*
dax -> RED 
 lug -> GREEN 
 kiki -> PINK 
 tufa -> PURPLE 
 u1 wif x1 -> [u1] [x1] 
 u1 blicket x1 -> [u1] [x1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 