In general, antihistamines are more effective at relieving symptoms caused by allergies than colds. However, they are generally considered safe for most people so you may want to try one if you are experiencing cold symptoms that they may help with — specifically runny nose and itching. I believe that should help!
The answer for your question is 1 bunch of grapes. The reason why i
choose this answer is because the grapes would actually fit the people
who would eating grapes.