Item #1:
Find a family of at least three
All enjoying a frozen cone
Politely ask to take their photo with your phone

Answer: Family with ice cream cones

Item #2:
People like wearing a cap to block the sun
But then they twist it around some day
So take a photo of someone wearing a cap facing the wrong way

Answer: Person wearing a baseball cap backwards

Item #3:
Fried potatoes can come in a big cup
Enough for two to share
So take a picture of the pair

Answer: Two people sharing french fries