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

*QUERY*
IN: kiki zup zup OUT: PINK PINK PINK PINK
IN: dax zup tufa kiki OUT: BLUE BLUE PINK
IN: dax dax OUT: BLUE BLUE
IN: wif lug zup OUT: GREEN RED GREEN RED
IN: kiki dax tufa kiki OUT: PINK BLUE PINK
IN: lug lug lug zup OUT: RED RED RED RED RED RED
IN: lug lug zup tufa wif OUT: RED RED RED RED GREEN
IN: dax OUT: BLUE
IN: wif tufa kiki OUT: GREEN PINK
IN: kiki wif OUT: PINK GREEN

*GRAMMAR*
lug -> RED 
 dax -> BLUE 
 wif -> GREEN 
 kiki -> PINK 
 x1 tufa x2 -> [x1] [x2] 
 x1 zup -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 