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

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

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