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

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

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