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

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

*GRAMMAR*
wif -> PINK 
 kiki -> YELLOW 
 blicket -> GREEN 
 fep -> RED 
 x1 tufa x2 -> [x2] [x2] [x1] 
 x1 gazzer u1 -> [u1] [x1] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 