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

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

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