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

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

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