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

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

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