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

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

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