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

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

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