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

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

*GRAMMAR*
lug -> RED 
 wif -> BLUE 
 fep -> YELLOW 
 gazzer -> PINK 
 u1 tufa u2 -> [u1] [u2] 
 x1 kiki x2 -> [x2] [x1] [x1] 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 