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

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

*GRAMMAR*
wif -> YELLOW 
 fep -> GREEN 
 zup -> PINK 
 kiki -> RED 
 u1 tufa u2 -> [u2] [u2] [u1] [u2] [u2] [u1] [u2] 
 u1 gazzer x1 -> [x1] [x1] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 