1) Due to the man's show of affection, he is most likely asking her out on a date.
2) Since they are at a store parking lot, they are putting in their shopping bags in the trunk.
3) This man is going to propose to this woman or gift her a Valentine's day gift.
4) The neighbor is buying supplies to take care of their baby.
5) This car is an RV that they have been living in.
I tried some seem to simple and I didn't want to overthink it?
