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

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

*GRAMMAR*
wif -> GREEN 
 kiki -> YELLOW 
 tufa -> RED 
 gazzer -> PURPLE 
 u1 blicket u2 -> [u2] [u1] 
 x1 zup x2 -> [x2] [x1] 
 x1 dax x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 