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

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

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