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

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

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