Did she practice discus?
No, she didn´t.
Did he practice Discus?
yes, he did.
Did he practice boxing?
No, he didn´t.
Did he practice wrestling?
no, he didn´t.
Did they practice boxing?
yes, they did.
Did he practice javelin?
yes, he did.
Did they practice high jump?
No, they didn´t.
Did he practice High jump?
yes, he did.
Did he practice weightlifting?
yes, he did.