Final answer:
The rhyme scheme of the poem is OA. AAAAB, where the first four lines rhyme with each other, and the fifth line has a different ending sound.
Step-by-step explanation:
The rhyme scheme of the given poem is as follows:
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- I wanted to use the mat - A
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- but couldn't remove my cat - A
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- who always sat - A
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- directly at - A
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- the place I needed to pose - B
For this poem, each line ends with a word that rhymes with the word at the end of another line, except for the last line which does not rhyme with the previous lines. Therefore, the rhyme scheme can be described as AAAAB.