Categorize the following sentence as grammatical or ungrammatical?
Sentence: He more smarter than me.
The sentence "He more smarter than me" is ungrammatical. It can be corrected to "He is smarter than me" or "He is more intelligent than me."
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize the following sentence as grammatical or ungrammatical?

### Input:
Sentence: He more smarter than me.

### Output:
The sentence "He more smarter than me" is ungrammatical. It can be corrected to "He is smarter than me" or "He is more intelligent than me."