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

*QUERY*
IN: kiki wif kiki OUT: YELLOW YELLOW
IN: gazzer gazzer OUT: BLUE BLUE
IN: kiki OUT: YELLOW
IN: gazzer wif kiki OUT: BLUE YELLOW
IN: tufa wif dax OUT: RED PINK
IN: gazzer kiki tufa fep OUT: BLUE YELLOW RED BLUE YELLOW RED
IN: gazzer gazzer wif kiki OUT: BLUE BLUE YELLOW
IN: gazzer wif tufa fep OUT: BLUE RED BLUE RED
IN: dax wif kiki OUT: PINK YELLOW
IN: tufa wif kiki blicket OUT: RED YELLOW RED YELLOW RED YELLOW

*GRAMMAR*
gazzer -> BLUE 
 tufa -> RED 
 kiki -> YELLOW 
 dax -> PINK 
 u1 wif u2 -> [u1] [u2] 
 x1 blicket -> [x1] [x1] [x1] 
 x1 fep -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 