respond – v. to say or write something as an answer to a statement, question or request
conversation – n. an informal talk involving two people or a small group of people : the act of talking in an informal way
positive – adj. showing or expressing support, approval, or agreement
negative – adj. expressing denial or refusal
comma – n. a punctuation mark used to separate words or groups of words in a sentence
match – v. to be equal to
antique – n. art, furniture or jewelry that was made at an earlier time and is often valuable
modal / modal auxiliary – n. a verb that is usually used with another verb to express ideas such as possibility, necessity, and permission