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

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

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