contestada

What is an inference and an obstruction?
1.
It is summertime.
2.
It is daytime.
3.
They saw birds.
4
They saw seagulls.
5
They went swimming.
6.
One friend's name was Bob.
7
It was a warm day.
8.
The birds were black and white.
9
They ate lunch and drank Coca-Cola&.
10.
The people are friends