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

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

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