*SUPPORT*
IN: tufa OUT: RED
IN: tufa dax OUT: RED RED RED RED
IN: lug dax fep lug blicket lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif lug OUT: GREEN PURPLE
IN: tufa tufa OUT: RED RED
IN: lug tufa fep lug OUT: PURPLE RED PURPLE
IN: wif fep tufa OUT: GREEN RED
IN: lug blicket wif OUT: PURPLE GREEN
IN: zup dax OUT: BLUE BLUE BLUE BLUE
IN: tufa wif wif OUT: RED GREEN GREEN
IN: lug OUT: PURPLE
IN: wif dax OUT: GREEN GREEN GREEN GREEN
IN: zup blicket zup OUT: BLUE BLUE
IN: zup tufa dax OUT: BLUE RED RED RED RED

*QUERY*
IN: tufa tufa blicket tufa OUT: RED RED RED
IN: lug wif blicket zup fep lug dax OUT: PURPLE GREEN BLUE PURPLE PURPLE PURPLE PURPLE
IN: wif blicket lug OUT: GREEN PURPLE
IN: zup dax fep tufa blicket tufa OUT: BLUE BLUE BLUE BLUE RED RED
IN: lug dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: zup OUT: BLUE
IN: zup lug dax OUT: BLUE PURPLE PURPLE PURPLE PURPLE
IN: tufa blicket zup OUT: RED BLUE
IN: zup wif dax fep lug lug blicket tufa OUT: BLUE GREEN GREEN GREEN GREEN PURPLE PURPLE RED
IN: zup blicket zup fep tufa wif tufa dax OUT: BLUE BLUE RED GREEN RED RED RED RED

*GRAMMAR*
tufa -> RED 
 zup -> BLUE 
 lug -> PURPLE 
 wif -> GREEN 
 x1 fep x2 -> [x1] [x2] 
 u1 blicket u2 -> [u1] [u2] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 