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

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

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