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

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

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