TASK DEFINITION: Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').
PROBLEM: Spores have ____ combinations of sexes.\Question: Choose the right answer from options given a) four b) five c) seven d) three

SOLUTION: a

PROBLEM: Hybridization is the practice of ____ different species interbreeding.\Question: Choose the right answer from options given a) no b) one c) two d) three

SOLUTION: c

PROBLEM: Aromatherapy is derived from ____ words.\Question: Choose the right answer from options given a) three b) eight c) two d) nine

SOLUTION:
c