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

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

*GRAMMAR*
zup -> RED 
 tufa -> PINK 
 lug -> BLUE 
 gazzer -> GREEN 
 x1 blicket x2 -> [x1] [x1] [x2] 
 u1 wif u2 -> [u1] [u2] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 