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

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

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