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

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

*GRAMMAR*
gazzer -> YELLOW 
 kiki -> RED 
 tufa -> PINK 
 zup -> GREEN 
 x1 dax x2 -> [x1] [x2] 
 u1 wif u2 -> [u2] [u1] 
 u1 fep -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 