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

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

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