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

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

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