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

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

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