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

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

*GRAMMAR*
wif -> GREEN 
 fep -> PURPLE 
 tufa -> BLUE 
 lug -> RED 
 x1 zup x2 -> [x1] [x2] [x1] 
 u1 dax x1 -> [x1] [x1] [x1] [u1] [u1] [u1] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 