Sudan Airways Flight 139
Table:
Sudan Airways Flight 139

The aircraft involved in the accident is seen here on approach to Fiumicino Airport in 1989.

Accident
Date	8 July 2003 (2003-07-08)
Summary	Mechanical failure followed by pilot error
Site	Port Sudan
19°37′12″N 37°13′00″E﻿ / ﻿19.62000°N 37.21667°E﻿ / 19.62000; 37.21667
Aircraft
Aircraft type	Boeing 737-200C
Aircraft name	White Nile
Operator	Sudan Airways
Registration	ST-AFK
Flight origin	Port Sudan New International Airport
Destination	Khartoum International Airport
Passengers	106
Crew	11
Fatalities	117
Survivors	0

Based on the table, state whether the hypothesis is entailed, neutral, or refuted. Conclude with JSON {"answer": "YOUR ANSWER"} — nothing else.

Sentence: Sudan Airways only used Boeing 737-200C

answer: neutral