The given sentence contains an error. Select the option that correctly rectifies the error.
The boy told his mother that he saw the most tall giraffe at the zoo.
1
The boy told his mother that he saw the tallest giraffe at the zoo.
2
The boy told his mother that he saw the most taller giraffe at the zoo.
3
The boy told his mother that he saw the most tallest giraffe at the zoo.
4
The boy told his mother that he saw the more taller giraffe at the zoo.