Answer:
I would say ABC poem. please correct me if im wrong!!
Step-by-step explanation:
The poem is : 
---
A medic, a reporter, an old man at sea; 
The bell tolls and tolls for thee.
Ernest in name and earnest in prose, 
Hemingway found beauty in a wilting rose.
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if you take that poem, and look at the ending words, its 
---
sea
thee
prose
rose
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if you figure out which ones rhyme using the abc method, its
--
sea A
thee A 
prose B
rose B
--
thats how i came to the conclusion, of the abc poem!!