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

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

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