Lettuce is a good source of vitamins.

Meaning: This sentence describes the nutritional value of lettuce, which contains important vitamins necessary for good health.

Choice of Words: Lettuce is a type of vegetable. Is is a linking verb that indicates a state of being. A is an indefinite article used to refer to one of a kind. Good means satisfactory or desirable. Source means a place, person, or thing from which something comes or can be obtained. Vitamins are essential nutrients that the body needs to function properly.

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