Suppose the domain of discourse is the group of technical support people at Horizon Technical Support (HTS), a company specializing in telephone support for its wireless customers. Define the following predicates:

F(x): x is friendly.

H(x): x is helpful

K(x): x is knowledgeable

Choose the logical expression that best represents the English statement.

Everyone is friendly and helpful

Someone is friendly and helpful

Someone is friendly, helpful, and knowledgeable