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

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

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