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

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

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