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

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

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