a riddle

[faithful]

? When can we say : I is

[ام امين]

for example i is the 9th letter in the alphabet.

[cute_angel]

yes that's it as om aiman said

or for example

I is a pronoun

and so on

[faithful]

congratulations, both of you are right

[faithful]

1- Five ants were sleeping in a hole of earth.Two of them woke up and went out. Then one more did the same thing and met the two ants that went out before. They asked her how many ants are left in the hole and she answered one. Why?