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

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

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