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

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

*GRAMMAR*
wif -> GREEN 
 fep -> RED 
 tufa -> PINK 
 blicket -> PURPLE 
 x1 zup u1 -> [u1] [x1] 
 u1 lug u2 -> [u2] [u1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 