Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to grow tomatoes from seeds [title] Buy seeds or choose seeds from a tomato. [step] You can buy seeds online at seed exchange sites, from your local nursery, or from other gardeners. You can also buy seeds from the garden section of a department store.

Ending1: If you are not able to find seeds, you can at least buy small seeds or seedlings. [substeps] Tomato seeds will be about the same size as tomato pellets or seedlings, but they will grow to 6 feet (1.8 m) within 6 months. Ending2: You can even be a little observant about which types of seeds you use. [title] Use growing trays to accommodate different plants. Ending3: If you want to collect seeds from a plant, then you will need at least one tomato from that plant. Make sure the tomato is from a plant that was grown from an heirloom or open pollinated seed. Ending4: [substeps] Choose seeds from a variety of plants in your garden. Provide each individual plant with 2-3 rows of each variety.

Answer format: ending1/ending2/ending3/ending4