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

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

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