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C _ L _ M N
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A X
B X
C X
D X X X X
E X
F X
G X X X X X X Clue
IT IS WEDNESDAY. IF IT WAS ANY OTHER DAY OF THE WEEK, MORE THAN ONE STATEMENT WOULD BE TRUE. TO SOLVE THE RIDDLE, EVALUATE EACH PERSON'S STATEMENT AND WRITE DOWN WHAT DAY IT COULD BE ACCORDING TO THE STATEMENT. DAVID'S STATEMENT INDICATES IT COULD BE ANY DAY OF THE WEEK EXCEPT FOR WEDNESDAY. WHEN YOU LIST THE DAYS THAT IT COULD BE ACCORDING TO EVERYONE'S STATEMENT, IT TURNS OUT WEDNESDAY IS THE DAY MENTIONED ONLY ONE TIME. DARRYL: SUNDAY, MONDAY, TUESDAY, OR WEDNESDAY TRACY: MONDAY MELISSA: SATURDAY BEN: THURSDAY ADRIENNE: SATURDAY SUSIE: FRIDAY DAVID: SUNDAY, MONDAY, TUESDAY, THURSDAY, FRIDAY OR SATURDAY THURSDAY. LET'S BREAK IT DOWN: "TODAY WILL BE AS FAR FROM WEDNESDAY AS TODAY WAS FROM WEDNESDAY" MEANS TODAY IS WEDNESDAY. "WHEN THE DAY AFTER TOMORROW IS YESTERDAY" REFERS TO FRIDAY AND TUESDAY RESPECTIVELY. "THE DAY BEFORE YESTERDAY WAS TOMORROW" REFERS TO MONDAY AND THURSDAY RESPECTIVELY. SO TOMORROW IS THURSDAY THEY ARGUED ON A SUNDAY. THE TABLE BELOW SUMMARISES THE EVENT. 'X' INDICATE THE POSSIBLE DAYS IF THAT PERSON'S STATEMENT IS TRUE. THE ONLY COLUMN WITH A SINGLE 'X' IS ON SUNDAY, THEREFORE D IS THE ONLY PERSON WHO IS CORRECT. DAY / PERSONMONTUEWEDTHURFRISATSUN AX BX CX DXXXX EX FX GXXXXXX THEY SAID THAT ON THURSDAY. AS THERE IS NO DAY WHEN BOTH WOULD BE LYING, AT LEAST ONE OF THEM MUST HAVE SPOKEN THE TRUTH. THEY BOTH SPEAK THE TRUTH ONLY ON SUNDAY. HOWEVER, THE LION WOULD THEN BE LYING IN HIS STATEMENT, SO IT COULDN'T BE SAID ON SUNDAY. SO EXACTLY ONE OF THEM LIED. IF THE UNICORN WAS HONEST, THEN IT WOULD HAVE TO BE SUNDAY - BUT PREVIOUSLY WE PROVED THIS WRONG. THUS ONLY THE LION SPOKE THE TRUTH WHEN HE MET ALICE ON THURSDAY AND SPOKE WITH THE UNICORN ABOUT WEDNESDAY