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

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

*GRAMMAR*
wif -> GREEN 
 dax -> PINK 
 lug -> RED 
 zup -> YELLOW 
 u1 blicket -> [u1] [u1] [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 x1 fep u1 -> [u1] [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 