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

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

*GRAMMAR*
dax -> PINK 
 wif -> GREEN 
 gazzer -> YELLOW 
 tufa -> RED 
 u1 fep u2 -> [u1] [u2] [u2] 
 x1 kiki -> [x1] [x1] 
 u1 zup u2 -> [u1] [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 