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

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

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