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

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

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