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

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

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