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

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

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