If +, -, x, ÷, =, > and < are represented as δ,•, γ,η, ω, β and α respectively, then which of the following is correct?

• 3 γ 6 η 2 δ 8 • 4 ω 5
• 3 η 6 γ 2 δ 8 • 4 β 5
• 3 γ 6 • 2 δ 8 η 4 α 5
• 3 δ 6 • 2 γ 8 η 4 ω 5