Context: Then the next day we went to a local church for service and i had diarrhoea a few times due to having the malaria tablet before food . Anyway , i met 2 Singaporean ladies there and they were teaching bible in Dili . One of them told me that they just felt called to go to Timor , not knowing the place at all and they stayed at the mountain at first for few months . with the support from their own church , they moved to the city , Dili , to start to learn the native language and teach bible to the locals .
Question: What may be the reason for the Malaria pills giving them diarrhea ?
Option 0: None of the above choices .
Option 1: The pills themselves make people sick .
Option 2: They drank the water in a foreign country .
Option 3: They did n't take it with food .
Answer: 3