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

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

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