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

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

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