2
SAYING GOODBYE: FORMAL
4
SAYING HELLO: INFORMAL
6
SAYING HELLO: INFORMAL
7
SAYING GOODBYE: SLANG
8
GREETING: FORMAL
9
SAYING HELLO: INFORMAL
10
SAYING HELLO: INFORMAL
12
GREETING: FORMAL
13
GREETING: FORMAL
14
SAYING HELLO: INFORMAL
15
SAYING GOODBYE: SLANG
16
SAYING GOODBYE: FORMAL
17
SAYING HELLO: SLANG
18
GREETING: FORMAL
19
SAYING HELLO: INFORMAL
20
GREETING: FORMAL
21
SAYING HELLO: SLANG
22
SAYING GOODBYE: CASUAL
23
SAYING HELLO: SLANG
24
SAYING HELLO: INFORMAL
25
SAYING HELLO: SLANG