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

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

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