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

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

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