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

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

*GRAMMAR*
wif -> PINK 
 gazzer -> BLUE 
 dax -> GREEN 
 fep -> RED 
 u1 blicket x1 -> [u1] [x1] 
 x1 tufa -> [x1] [x1] 
 u1 kiki -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 