Final answer:
The sentence 'Yo está comiendo pizza' is grammatically incorrect. The correct form is 'Yo estoy comiendo pizza'.
Step-by-step explanation:
The sentence 'Yo está comiendo pizza' is incorrect. The correct form of the sentence would be 'Yo estoy comiendo pizza'. The verb 'estar' is conjugated as 'estoy' when referring to the first person singular (Yo). Therefore, the correct sentence would be 'Yo estoy comiendo pizza.'
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