With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The distinction between the lowercase letter Pi from its capitalized and enlarged counterpart is analogous to how it denotes summation .
text_B: In mathematical use , the lowercase letter ( or π in sans-serif font ) is distinguished from its capitalized and enlarged counterpart , which denotes a product of a sequence , analogous to how denotes summation .
SUPPORTS.