Hello, world

LIST

10 REM Katherine's first word

100 SAY "Hello"

110 INPUT Reply$

120 IF Reply$ <> "Hello" THEN GOTO 110

130 SMILE

140 IF RANDOM(1) < .333 THEN WAVE

150 GOTO 100

For those of you not feeling your old-school BASIC, Katherine's first word is "hello" (really). She says it to you and is very happy when you reply in kind, sometimes so much so that she'll wave.