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

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

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