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

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

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