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

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

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