*SUPPORT*
IN: kiki blicket OUT: RED RED
IN: tufa kiki blicket OUT: PINK RED RED
IN: dax fep dax OUT: YELLOW YELLOW
IN: tufa dax fep tufa OUT: PINK PINK YELLOW
IN: tufa zup OUT: PINK PINK
IN: tufa fep dax OUT: YELLOW PINK
IN: kiki zup OUT: RED RED
IN: dax OUT: YELLOW
IN: kiki fep dax OUT: YELLOW RED
IN: kiki fep tufa OUT: PINK RED
IN: lug blicket OUT: PURPLE PURPLE
IN: kiki OUT: RED
IN: tufa blicket OUT: PINK PINK
IN: lug dax zup OUT: PURPLE YELLOW YELLOW

*QUERY*
IN: lug kiki zup OUT: PURPLE RED RED
IN: kiki dax zup OUT: RED YELLOW YELLOW
IN: lug kiki OUT: PURPLE RED
IN: lug fep tufa OUT: PINK PURPLE
IN: dax zup OUT: YELLOW YELLOW
IN: dax blicket OUT: YELLOW YELLOW
IN: dax fep kiki OUT: RED YELLOW
IN: kiki fep kiki OUT: RED RED
IN: kiki dax kiki OUT: RED YELLOW RED
IN: tufa fep tufa OUT: PINK PINK

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