text: This poet wrote that "Love is a ripe plum growing on a purple tree" in his "Love Song for Lucinda".
full_question: This poet wrote that "Love is a ripe plum growing on a purple tree" in his "Love Song for Lucinda". Another of his poems is about a student who admits "I guess you learn from me--although you're older" to a man who commands "let that page come out of you--then, it will be true". The speaker of a poem by this man asks "The free? Who said the free? Not me?" in a poem beginning "Let (*) America be America again". In a poem by this man, the speaker claims to have seen bodies of water as "ancient as the world and older than the flow of human blood", including the "Mississippi, when Abe Lincoln went down to New Orleans". For 10 points, name this poet of "Theme for English B" and "The Negro Speaks of Rivers", a major figure in the Harlem Renaissance.
first_sentence: This poet wrote that "Love is a ripe plum growing on a purple tree" in his "Love Song for Lucinda".
raw_answer: Langston Hughes [or James Mercer Langston Hughes]