Artificial intelligent assistant

How would you say "x is exhausting/tiring"? I know that "I'm tired" translates to > {} But how would you say, for example "PE class is exhausting" ? is intransitive, so you can't say something like "PE class exhausts me", and there doesn't seem to be an adjective that has a meaning that is similar to "exhausting".

One way to say it would be to use the pattern X/, meaning "X exhausts me."

{}{}{}{}/

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