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

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

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