*SUPPORT*
IN: tufa lug wif kiki blicket OUT: RED BLUE GREEN
IN: zup wif OUT: PURPLE GREEN
IN: wif zup lug wif OUT: GREEN PURPLE GREEN
IN: zup lug tufa OUT: PURPLE BLUE
IN: wif lug wif OUT: GREEN GREEN
IN: blicket OUT: RED
IN: zup OUT: PURPLE
IN: wif OUT: GREEN
IN: tufa lug zup OUT: BLUE PURPLE
IN: zup dax OUT: PURPLE PURPLE
IN: tufa dax OUT: BLUE BLUE
IN: wif tufa dax kiki zup OUT: PURPLE GREEN BLUE BLUE
IN: tufa lug tufa OUT: BLUE BLUE
IN: zup tufa OUT: PURPLE BLUE

*QUERY*
IN: wif zup tufa lug zup OUT: GREEN PURPLE BLUE PURPLE
IN: tufa wif lug wif kiki tufa OUT: BLUE BLUE GREEN GREEN
IN: zup zup dax OUT: PURPLE PURPLE PURPLE
IN: blicket wif lug blicket OUT: RED GREEN RED
IN: blicket dax OUT: RED RED
IN: tufa OUT: BLUE
IN: wif wif OUT: GREEN GREEN
IN: wif kiki zup OUT: PURPLE GREEN
IN: wif dax OUT: GREEN GREEN
IN: zup lug zup OUT: PURPLE PURPLE

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