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

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

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