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

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

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