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

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

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