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

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

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