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

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

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