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

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

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