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

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

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