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

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

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