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

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

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