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

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

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