Which parts of speech are contained in the sentence?
I respectfully disagree.
The sentence "I respectfully disagree." contains the following parts of speech: 

1. "I" is a pronoun, used as the subject of the sentence.
2. "respectfully" is an adverb, describing how the action of “disagree” is performed.
3. "disagree" is a verb, indicating the action or state of being in the sentence.
Complete the following task based on the instruction and optional input provided.### Instruction:
Which parts of speech are contained in the sentence?

### Input:
I respectfully disagree.

### Output:
The sentence "I respectfully disagree." contains the following parts of speech: 

1. "I" is a pronoun, used as the subject of the sentence.
2. "respectfully" is an adverb, describing how the action of “disagree” is performed.
3. "disagree" is a verb, indicating the action or state of being in the sentence.