Given that '>' means addition, '<' means subtraction, '=' means multiplication, and '?' means division, evaluate the expression 5 > 3 < 2 = 4 ? 2.

Answer: A. 1
5 + 3 - 2 × 4 ÷ 2 = 8 - 8 ÷ 2 = 8 - 4 = 4.