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

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

*GRAMMAR*
zup -> PINK 
 gazzer -> YELLOW 
 wif -> GREEN 
 kiki -> RED 
 u1 blicket u2 -> [u2] [u1] [u2] 
 x1 fep -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 