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

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

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