<human>: Does the sentence "When a Teletype 33 ASR equipped with the automatic paper tape reader received a Control-S (XOFF, an abbreviation for transmit off), it caused the tape reader to stop; receiving Control-Q (XON, "transmit on") caused the tape reader to resume." provide a valid answer to the question "What was the warning signal called that warned the sender that there was impending overflow?"
OPTIONS:
- yes
- no
<bot>: no