Definition: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.
Input: Question: What date did the war in which Holm fought begin? Passage:Holm was born in Falköping, Sweden, the son of station master Carl Holm and his wife Olga (née Södergren). He passed studentexamen in Skövde in 1937 and then served in the Swedish Volunteer Corps during the Winter War in Finland from 1939 to 1940. Holm was commissioned as an officer in the Swedish Army Service Troops in 1941 with the rank of fänrik in the Norrland Train Corps (Norrlands trängkår, T 3) in Sollefteå. Holm attended the Royal Swedish Army Staff College from 1949 to 1951 and the British Army Staff College in England in 1954. He was appointed captain in the General Staff Corps in 1955 and he served in the expert investigation regarding compulsory military service from 1956 to 1958. Holm served as captain in the Älvsborg Regiment (I 15) in 1958 and he was appointed major in the General Staff Corps in 1959. The same year he attended the Swedish National Defence College. Holm was a member of the 1960 Social Emergency Committee (Socialberedskapskommittéen) and he served as head of department in the Defence Staff from 1960. He was then promoted to lieutenant colonel in 1963 and served in the Life Regiment Grenadiers (I 3) before being appointed colonel in the Defence Staff in 1964. In 1965, Holm was appointed regimental commander of Norrbotten Regiment (I 19) in Boden and the year after he served as chief of staff of the Bergslagen Military Area (Milo B).

Output:
He passed studentexamen in Skövde in 1937 and then served in the Swedish Volunteer Corps during the Winter War in Finland from 1939 to 1940