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

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

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