Student: Given the sentence "A bearded man in a blue shirt ls laughing while a suited mustached man holds up a glass." is it true that "A bearded man in a blue shirt ls laughing while a suited mustached man holds up a glass and makes a toast to his new bride."?.
Teacher: Let's think:
A bearded man in a blue shirt ls laughing while a suited mustached man holds up a glass does not necessary that he makes a toast to his new bride. So the final answer is it is not possible to tell.