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

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

*GRAMMAR*
fep -> PINK 
 wif -> RED 
 tufa -> BLUE 
 zup -> GREEN 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 x1 lug x2 -> [x1] [x2] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 