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

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

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