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

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

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