TASK DEFINITION: Given a sentence in English, provide an equivalent paraphrased version from the original that retains the same meaning.
PROBLEM: Searching a specific search tree for a binary key can be programmed recursively or iteratively .

SOLUTION: Searching a specific search tree according to a binary key can be recursively or iteratively programmed .

PROBLEM: After two years away , Byrd reunited with Brown in 1970 .

SOLUTION: After two years , Byrd reunited with Brown in 1970 .

PROBLEM: He has two sons : older Maharana Mahendra Singh and younger Arvind Singh .

SOLUTION:
He has two sons : elder Maharana Mahendra Singh and younger Arvind Singh .