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

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

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