Student: Given the sentence "A man in black rides a bicycle across the street while another walks holding a dog." is it true that "A man with a dog and a cyclist travel together down the street."?.
Teacher: Let's think:

A man in black with a dog does not imply the man is with another cyclist. So the final answer is it is not possible to tell.
Student: Given the sentence "A man in black rides a bicycle across the street while another walks holding a dog." is it true that "A man with a dog and a cyclist travel together down the street."?.
Teacher: Let's think:

user
A man in black with a dog does not imply the man is with another cyclist. So the final answer is it is not possible to tell.
assistant
Student: Given the sentence "A man in black rides a bicycle across the street while another walks holding a dog." is it true that "A man with a dog and a cyclist travel together down the street."?.
Teacher: Let's think:

A man in black with a dog does not imply the man is with another cyclist. So the final answer is it is not possible to tell.