*SUPPORT*
IN: wif OUT: BLUE
IN: tufa OUT: RED
IN: gazzer zup gazzer OUT: GREEN GREEN
IN: wif dax tufa OUT: BLUE PINK RED
IN: wif dax tufa tufa OUT: BLUE PINK RED RED
IN: tufa wif fep wif OUT: RED BLUE BLUE BLUE BLUE
IN: tufa tufa OUT: RED RED
IN: tufa dax lug OUT: RED PINK RED PINK RED PINK
IN: dax gazzer lug OUT: PINK GREEN PINK GREEN PINK GREEN
IN: dax lug OUT: PINK PINK PINK
IN: tufa gazzer lug OUT: RED GREEN RED GREEN RED GREEN
IN: dax gazzer OUT: PINK GREEN
IN: wif lug OUT: BLUE BLUE BLUE
IN: dax dax OUT: PINK PINK

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

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