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

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

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