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

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

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