Please choose the correct ending to complete the given sentence: Health: [header] How to add flaxseed to your diet [title] Know what to purchase. [step] Flaxseed is a very small seed that is flat and oval shaped. The seeds are much smaller than sunflower seeds.

Ending1: Almost all people purchasing the seed will buy a similar size of sunflower seeds, but you will only need to buy one or two. [substeps] Flaxseed seeds come as small boxes or tubs. Ending2: It only needs to be close to the surface to be edible. The seeds should also be small enough that they float. Ending3: It is found in more than one form and each has different properties. [substeps] Flaxseed comes in red to golden varieties. Ending4: Your choice of flaxseed is important, as very small seeds can be difficult to grow. Spring varieties may make delicious additions to salads or casseroles.

Answer format: ending1/ending2/ending3/ending4