Would the following sentence, by the strictest standards, be considered correct by a linguist?

Which piano is this sonata easy to play on?
OPTIONS:
- unacceptable
- acceptable
acceptable
Skulle följande mening, med strängaste mått mätt, anses vara riktig av en språkforskare? Vilket piano är den här sonaten lätt att spela på? ALTERNATIV: - oacceptabelt - godtagbart
Would the following sentence, measured by the strictest measure, be considered correct by a linguist? What piano is this sonata easy to play? ALTERNATIVES: - unacceptable - acceptable
kan godtas
Acceptable