Two dogs try to reach each other as their human companions pull them in opposite directions by their leashes .
There is almost no chance that two humans ' dogs like each other but their human companions pull them apart
There is almost no chance that two humans ' dogs like each other but their human companions pull them apart
It is probably the case that two humans ' dogs like each other but their human companions pull them apart
Two humans ' dogs like each other but their human companions pull them apart