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

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

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