Would a linguist find the following sentence to be a valid English sentence grammatically?

John looked up the inside of the chimney.
OPTIONS:
- unacceptable
- acceptable
acceptable
Skulle en lingvist finna följande mening vara en giltig engelsk mening grammatiskt? John tittade upp genom skorstenens insida. ALTERNATIV: - oacceptabelt - godtagbart
Would a linguist find the following sentence to be a valid English sentence grammatical? John looked up through the inside of the chimney. ALTERNATIVES: - unacceptable - acceptable
kan godtas
Acceptable