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

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

*GRAMMAR*
tufa -> PURPLE 
 dax -> GREEN 
 zup -> PINK 
 wif -> YELLOW 
 x1 blicket x2 -> [x1] [x1] [x2] 
 u1 fep u2 -> [u2] [u1] 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 