*SUPPORT*
IN: tufa kiki tufa OUT: YELLOW YELLOW YELLOW
IN: blicket kiki wif OUT: BLUE GREEN BLUE
IN: tufa wif kiki zup gazzer tufa dax wif OUT: BLUE YELLOW YELLOW PINK BLUE PINK
IN: zup blicket kiki tufa OUT: PINK YELLOW GREEN YELLOW
IN: tufa blicket dax zup gazzer wif OUT: BLUE PINK YELLOW GREEN
IN: tufa OUT: YELLOW
IN: wif kiki blicket OUT: GREEN BLUE GREEN
IN: tufa kiki blicket OUT: GREEN YELLOW GREEN
IN: tufa wif zup dax wif OUT: BLUE YELLOW BLUE PINK
IN: wif gazzer tufa OUT: YELLOW BLUE
IN: zup kiki tufa gazzer zup gazzer wif OUT: BLUE PINK YELLOW PINK YELLOW
IN: wif kiki tufa OUT: YELLOW BLUE YELLOW
IN: blicket OUT: GREEN
IN: wif kiki wif dax zup OUT: PINK BLUE BLUE BLUE

*QUERY*
IN: zup kiki zup OUT: PINK PINK PINK
IN: wif kiki zup OUT: PINK BLUE PINK
IN: wif dax wif OUT: BLUE BLUE
IN: zup kiki tufa OUT: YELLOW PINK YELLOW
IN: blicket kiki zup OUT: PINK GREEN PINK
IN: blicket wif kiki blicket OUT: GREEN GREEN BLUE GREEN
IN: blicket kiki tufa OUT: YELLOW GREEN YELLOW
IN: blicket gazzer wif gazzer blicket OUT: GREEN BLUE GREEN
IN: blicket dax blicket OUT: GREEN GREEN
IN: tufa gazzer wif OUT: BLUE YELLOW

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