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

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

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