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

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

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