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

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

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