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

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

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