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

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

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