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

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

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