The diagram shows parallel lines cut by two transversal lines creating a triangle. Which statements are true? Check all that apply.

1. ∠A and ∠G are alternate interior angles.

2. ∠A, ∠F, and ∠E form a straight line.

3. ∠H and ∠A are corresponding angles.

4. ∠E and ∠C are vertical angles.

5. m∠G = m∠E

6. m∠F = m∠C