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

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

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