2a. Underline the odd one out.

Let's analyze each line: * **do**: aerobics, judo, rowing. Rowing is the odd one out because you "go" rowing, not "do" rowing. So, **rowing** is underlined. * **go**: skiing, tennis, running. Tennis is the odd one out because you "play" tennis, not "go" tennis. So, **tennis** is underlined. * **play**: dance, chess, tennis. Dance is the odd one out because you go dancing, but play chess and tennis. So, **dance** is underlined. * **do**: basketball, yoga, aerobics. Basketball is the odd one out because you "play" basketball, not "do" basketball. So, **basketball** is underlined. * **go**: skiing, running, yoga. Aerobics is the odd one out because you "do" aerobics, not "go" aerobics. So, **yoga** is underlined. * **play**: basketball, tennis, aerobics. Aerobics is the odd one out because you "do" aerobics, not "play" aerobics. So, **aerobics** is underlined.