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

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

*GRAMMAR*
tufa -> RED 
 dax -> GREEN 
 blicket -> BLUE 
 lug -> PINK 
 u1 wif u2 -> [u1] [u2] [u2] 
 x1 kiki u1 -> [x1] [x1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 