Which one is an oil yielding plant among the following?

Sun flower (Helianthus annuus) belongs to the family Asteraceae, represents the largest dicot family, with about 25,000 species distributed worldwide. It includes herbs, shrubs, trees, epiphytes, vines, and succulents. The flowers single pistil has an inferior ovary composed of 2 carpels fused to form one chamber with one ovule that matures into an achene fruit without endosperm. Helianthus is an important genus of this family. Both Helianthus tuberosus (Jerusalem artichoke) and Helianthus annuus (sunflower seeds, oil) are edible plants. Helianthus is also an ornamental genus.

So the correct answer is Sunflower.