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

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

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