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

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

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