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

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

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