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

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

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