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

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

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