Question:
A brown and white dog with a pink collar is barking at a brown dog with a blue collar in the snow.
The dog with the red collar is bearing it's teeth at the dog with the blue collar.
Answer:
3

Question:
A man is playing the guitar.
A man is playing the drums.
Answer:
2

Question:
A bicycle is parked by a shop.
A green bike parked outside a book store.
Answer:
4