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

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

*GRAMMAR*
blicket -> PINK 
 lug -> YELLOW 
 dax -> RED 
 fep -> PURPLE 
 x1 zup x2 -> [x2] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 