*SUPPORT*
IN: fep dax gazzer OUT: GREEN RED
IN: fep tufa gazzer fep dax fep gazzer OUT: GREEN RED GREEN RED RED
IN: blicket blicket OUT: BLUE BLUE
IN: blicket gazzer OUT: BLUE GREEN
IN: wif dax gazzer OUT: GREEN PURPLE
IN: wif tufa fep OUT: RED PURPLE
IN: blicket tufa blicket OUT: BLUE BLUE
IN: gazzer kiki blicket OUT: BLUE GREEN
IN: wif dax blicket OUT: BLUE PURPLE
IN: wif kiki fep kiki blicket OUT: BLUE RED PURPLE
IN: wif OUT: PURPLE
IN: fep OUT: RED
IN: blicket kiki fep OUT: RED BLUE
IN: gazzer gazzer gazzer dax gazzer OUT: GREEN GREEN GREEN GREEN

*QUERY*
IN: wif dax gazzer fep dax gazzer OUT: GREEN GREEN RED PURPLE
IN: fep dax blicket tufa fep OUT: RED BLUE RED
IN: fep wif OUT: RED PURPLE
IN: gazzer tufa fep kiki fep OUT: RED RED GREEN
IN: gazzer dax fep OUT: RED GREEN
IN: blicket fep OUT: BLUE RED
IN: blicket OUT: BLUE
IN: gazzer dax wif dax wif kiki fep OUT: RED PURPLE PURPLE GREEN
IN: gazzer OUT: GREEN
IN: wif tufa wif OUT: PURPLE PURPLE

*GRAMMAR*
gazzer -> GREEN 
 blicket -> BLUE 
 wif -> PURPLE 
 fep -> RED 
 u1 tufa x1 -> [x1] [u1] 
 x1 kiki u1 -> [u1] [x1] 
 u1 dax x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 