*SUPPORT*
IN: dax gazzer OUT: GREEN GREEN
IN: wif fep kiki zup kiki OUT: PINK YELLOW YELLOW
IN: lug dax OUT: RED GREEN
IN: dax OUT: GREEN
IN: lug zup kiki OUT: RED YELLOW
IN: kiki zup kiki OUT: YELLOW YELLOW
IN: dax wif fep lug gazzer OUT: GREEN PINK RED GREEN PINK RED
IN: lug zup dax gazzer OUT: RED GREEN RED GREEN
IN: lug gazzer OUT: RED RED
IN: lug dax zup lug gazzer OUT: RED GREEN RED RED GREEN RED
IN: wif gazzer gazzer OUT: PINK PINK PINK PINK
IN: kiki wif zup wif OUT: YELLOW PINK PINK
IN: kiki zup dax OUT: YELLOW GREEN
IN: wif zup kiki OUT: PINK YELLOW

*QUERY*
IN: kiki OUT: YELLOW
IN: kiki lug lug gazzer OUT: YELLOW RED RED YELLOW RED RED
IN: dax zup lug gazzer OUT: GREEN RED GREEN RED
IN: lug zup wif OUT: RED PINK
IN: lug OUT: RED
IN: dax zup lug gazzer gazzer OUT: GREEN RED GREEN RED GREEN RED GREEN RED
IN: wif OUT: PINK
IN: dax fep wif OUT: GREEN PINK
IN: dax fep dax gazzer OUT: GREEN GREEN GREEN
IN: kiki fep lug zup wif gazzer OUT: YELLOW RED PINK RED PINK

*GRAMMAR*
wif -> PINK 
 kiki -> YELLOW 
 dax -> GREEN 
 lug -> RED 
 u1 zup u2 -> [u1] [u2] 
 u1 fep x1 -> [u1] [x1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 