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

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

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