*SUPPORT*
IN: wif tufa fep tufa blicket OUT: RED GREEN PINK GREEN YELLOW
IN: blicket wif OUT: YELLOW RED
IN: blicket kiki wif blicket OUT: RED YELLOW YELLOW
IN: tufa kiki blicket wif kiki fep fep OUT: YELLOW PINK PINK RED GREEN
IN: fep kiki tufa wif wif kiki wif OUT: GREEN RED RED RED PINK
IN: fep OUT: PINK
IN: tufa kiki tufa zup OUT: GREEN GREEN GREEN GREEN GREEN
IN: blicket OUT: YELLOW
IN: tufa zup OUT: GREEN GREEN GREEN GREEN
IN: blicket kiki tufa OUT: GREEN YELLOW
IN: wif zup OUT: RED RED RED RED
IN: tufa kiki fep OUT: PINK GREEN
IN: wif kiki tufa fep gazzer wif zup OUT: RED RED RED RED GREEN PINK RED
IN: wif blicket blicket gazzer wif OUT: RED RED YELLOW YELLOW

*QUERY*
IN: wif tufa OUT: RED GREEN
IN: tufa OUT: GREEN
IN: blicket zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep zup OUT: PINK PINK PINK PINK
IN: fep tufa zup gazzer fep tufa kiki wif OUT: PINK RED GREEN PINK GREEN GREEN GREEN GREEN
IN: fep kiki blicket zup OUT: YELLOW YELLOW YELLOW YELLOW PINK
IN: wif zup gazzer wif OUT: RED RED RED RED RED
IN: blicket fep OUT: YELLOW PINK
IN: fep fep tufa zup gazzer wif OUT: RED PINK PINK GREEN GREEN GREEN GREEN
IN: fep fep kiki wif OUT: PINK RED PINK

*GRAMMAR*
wif -> RED 
 fep -> PINK 
 tufa -> GREEN 
 blicket -> YELLOW 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 kiki x1 -> [x1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 