Will do mepal. Here goes:
A tour guide (in Israel) was taking the tourists to various kevarim. When they reached the kever of Shmuel Hanavi, he said “and this is where Shmuel Hanavi was buried.” An hour later, after passing many kevarim, they came across a kever, but they tour guide could not remember who was buried there. After searching his memory but to no avail, he decided to tell everyone it’s the kever of Shmuel because they probably wouldn’t remember that they passed his kever already. So he said “and this is the kever of Shmuel Hanavi”. One of the tourists immediately piped up and said “but didn’t we pass his kever already?” So the tour guide said “yes, but that was Shmuel Alef, this is Shmuel Bais”.