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

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

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