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

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

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