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

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

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